291238436

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{531457}}^1$

素因数の和:531598

約数の個数: 12

約数和(自身を含む): 513388428

約数和(自身を除く): 222149992

約数列:

[1, 2, 4, 137, 274, 548, 531457, 1062914, 2125828, 72809609, 145619218, 291238436]

約数ペア:

[(1, 291238436), (2, 145619218), (4, 72809609), (137, 2125828), (274, 1062914), (548, 531457)]