638863684

素因数分解:

$2^2\times {\mathrm{751}}^1\times {\mathrm{212671}}^1$

素因数の和:213426

約数の個数: 12

約数和(自身を含む): 1119505408

約数和(自身を除く): 480641724

約数列:

[1, 2, 4, 751, 1502, 3004, 212671, 425342, 850684, 159715921, 319431842, 638863684]

約数ペア:

[(1, 638863684), (2, 319431842), (4, 159715921), (751, 850684), (1502, 425342), (3004, 212671)]