668621212

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{236429}}^1$

素因数の和:236541

約数の個数: 24

約数和(自身を含む): 1350488160

約数和(自身を除く): 681866948

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 236429, 472858, 945716, 1655003, 3310006, 6620012, 23879329, 47758658, 95517316, 167155303, 334310606, 668621212]

約数ペア:

[(1, 668621212), (2, 334310606), (4, 167155303), (7, 95517316), (14, 47758658), (28, 23879329), (101, 6620012), (202, 3310006), (404, 1655003), (707, 945716), (1414, 472858), (2828, 236429)]