257070892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{33179}}^1$

素因数の和:33345

約数の個数: 24

約数和(自身を含む): 487746000

約数和(自身を除く): 230675108

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 33179, 66358, 132716, 431327, 862654, 1725308, 4943671, 9887342, 19774684, 64267723, 128535446, 257070892]

約数ペア:

[(1, 257070892), (2, 128535446), (4, 64267723), (13, 19774684), (26, 9887342), (52, 4943671), (149, 1725308), (298, 862654), (596, 431327), (1937, 132716), (3874, 66358), (7748, 33179)]