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A055712
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Numbers n such that n | Sigma_8[n].
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1
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1, 84, 156, 204, 364, 476, 514, 1092, 1428, 2316, 2652, 2892, 6069, 6188, 6748, 12138, 12532, 16212, 16388, 18564, 20244, 24276, 30108, 37596, 39372, 49164, 63291, 78897, 87724, 99202, 114716, 126582, 147679, 157794, 167331
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| sigma_8(n) is the sum of the 8th powers of the divisors of n.
Problem 11090 proves that this sequence is infinite. - T. D. Noe (noe(AT)sspectra.com), Apr 18 2006
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REFERENCES
| Florian Luca, Problem 11090: Sometimes n divides sigma_k(n), Amer. Math. Monthly 113 (2006), 372-373.
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MATHEMATICA
| Do[If[Mod[DivisorSigma[8, n], n]==0, Print[n]], {n, 1, 10000}]
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CROSSREFS
| Sequence in context: A101260 A141502 A039499 * A066292 A044254 A044635
Adjacent sequences: A055709 A055710 A055711 * A055713 A055714 A055715
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KEYWORD
| nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000
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