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A102783 Numbers k that divide sigma_m(k) for some m > 0. 3

%I #8 Aug 20 2021 04:21:12

%S 1,6,10,22,26,28,34,38,42,54,58,60,65,66,74,75,82,84,86,106,114,118,

%T 120,122,130,134,135,140,145,147,150,156,166,168,175,185,186,190,194,

%U 198,202,204,214,216,218,222,226,228,231,250,258

%N Numbers k that divide sigma_m(k) for some m > 0.

%H T. D. Noe, <a href="/A102783/b102783.txt">Table of n, a(n) for n = 1..1000</a>

%e a(4)=22 because 1^5 + 2^5 + 11^5 + 22^5 = 5314716 = 22*241578.

%Y Cf. A007691, A134387.

%K easy,nonn

%O 1,2

%A Nathan Simpson (ntspam2(AT)netscape.net), Feb 11 2005

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)