128125838

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{221671}}^1$

素因数の和:221707

約数の個数: 12

約数和(自身を含む): 204159912

約数和(自身を除く): 76034074

約数列:

[1, 2, 17, 34, 289, 578, 221671, 443342, 3768407, 7536814, 64062919, 128125838]

約数ペア:

[(1, 128125838), (2, 64062919), (17, 7536814), (34, 3768407), (289, 443342), (578, 221671)]