251017708

素因数分解:

$2^2\times {\mathrm{1559}}^1\times {\mathrm{40253}}^1$

素因数の和:41816

約数の個数: 12

約数和(自身を含む): 439573680

約数和(自身を除く): 188555972

約数列:

[1, 2, 4, 1559, 3118, 6236, 40253, 80506, 161012, 62754427, 125508854, 251017708]

約数ペア:

[(1, 251017708), (2, 125508854), (4, 62754427), (1559, 161012), (3118, 80506), (6236, 40253)]