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A055717 Numbers n such that n | Sigma_13[n]. 2
1, 6, 28, 120, 316, 496, 672, 1272, 1431, 1484, 1580, 2212, 2862, 3768, 4452, 4740, 5462, 5724, 6360, 7155, 7584, 8128, 11060, 11448, 12640, 13356, 14310, 15800, 16386, 17696, 18840, 22896, 28620, 30240, 32760, 33180, 35616, 37920, 38712 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

sigma_13(n) is the sum of the 13th powers of the divisors of n.

MATHEMATICA

Do[If[Mod[DivisorSigma[13, n], n]==0, Print[n]], {n, 1, 50000}]

CROSSREFS

Sequence in context: A192853 A027598 A183013 * A090777 A055715 A026031

Adjacent sequences:  A055714 A055715 A055716 * A055718 A055719 A055720

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000

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Last modified February 15 17:42 EST 2012. Contains 205829 sequences.