129374408

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{521671}}^1$

素因数の和:521708

約数の個数: 16

約数和(自身を含む): 250402560

約数和(自身を除く): 121028152

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 521671, 1043342, 2086684, 4173368, 16171801, 32343602, 64687204, 129374408]

約数ペア:

[(1, 129374408), (2, 64687204), (4, 32343602), (8, 16171801), (31, 4173368), (62, 2086684), (124, 1043342), (248, 521671)]