641654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 1149120

約数和(自身を除く): 507466

約数列:

[1, 2, 13, 23, 26, 29, 37, 46, 58, 74, 299, 377, 481, 598, 667, 754, 851, 962, 1073, 1334, 1702, 2146, 8671, 11063, 13949, 17342, 22126, 24679, 27898, 49358, 320827, 641654]

約数ペア:

[(1, 641654), (2, 320827), (13, 49358), (23, 27898), (26, 24679), (29, 22126), (37, 17342), (46, 13949), (58, 11063), (74, 8671), (299, 2146), (377, 1702), (481, 1334), (598, 1073), (667, 962), (754, 851)]