123257222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{70919}}^1$

素因数の和:71011

約数の個数: 16

約数和(自身を含む): 204249600

約数和(自身を除く): 80992378

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 70919, 141838, 780109, 1560218, 5602601, 11205202, 61628611, 123257222]

約数ペア:

[(1, 123257222), (2, 61628611), (11, 11205202), (22, 5602601), (79, 1560218), (158, 780109), (869, 141838), (1738, 70919)]