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A133202
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Number of divisors of the absolute value of Ramanujan tau numbers.
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0
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1, 8, 18, 14, 32, 48, 32, 80, 20, 120, 48, 108, 16, 112, 192, 26, 48, 96, 144, 192, 216, 144, 32, 384, 12, 80, 224, 120, 32, 420, 72, 192, 320, 160, 360, 210, 8, 576, 144, 792, 32, 432, 12, 216, 288, 84, 40, 180, 12, 96, 240, 128, 32, 448, 576, 832, 960, 120
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OFFSET
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1,2
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LINKS
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FORMULA
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a(n) = number of divisors of abs. value of Ramanujan tau numbers.
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MATHEMATICA
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Table[DivisorSigma[0, RamanujanTau[n]], {n, 100}] (* T. D. Noe, Aug 22 2011 *)
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PROG
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(Perl) use ntheory ":all"; say scalar(divisors(abs(ramanujan_tau($_)))) for 1..100; # Dana Jacobsen, Sep 05 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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