256412849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{90001}}^1$

素因数の和:90056

約数の個数: 16

約数和(自身を含む): 328327296

約数和(自身を除く): 71914447

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 90001, 630007, 990011, 3330037, 6930077, 23310259, 36630407, 256412849]

約数ペア:

[(1, 256412849), (7, 36630407), (11, 23310259), (37, 6930077), (77, 3330037), (259, 990011), (407, 630007), (2849, 90001)]