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A218411
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Numbers k for which sigma(k)/k - 4/7 is an integer.
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5
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280, 18620, 411264, 804384, 871416, 1222144, 1284192, 164989440, 270138960, 318729600, 326781000, 396168192, 481572000, 623397600, 675347400, 995248800, 3444711424, 4426793280, 307030348800, 465036042240, 880719036120
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OFFSET
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1,1
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COMMENTS
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LINKS
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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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