128216008

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{83911}}^1$

素因数の和:84108

約数の個数: 16

約数和(自身を含む): 241666560

約数和(自身を除く): 113450552

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 83911, 167822, 335644, 671288, 16027001, 32054002, 64108004, 128216008]

約数ペア:

[(1, 128216008), (2, 64108004), (4, 32054002), (8, 16027001), (191, 671288), (382, 335644), (764, 167822), (1528, 83911)]