128575178

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{2161}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 196136640

約数和(自身を除く): 67561462

約数列:

[1, 2, 71, 142, 419, 838, 2161, 4322, 29749, 59498, 153431, 306862, 905459, 1810918, 64287589, 128575178]

約数ペア:

[(1, 128575178), (2, 64287589), (71, 1810918), (142, 905459), (419, 306862), (838, 153431), (2161, 59498), (4322, 29749)]