8985805199

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1\times {\mathrm{20021}}^1$

素因数の和:20786

約数の個数: 16

約数和(自身を含む): 10391578176

約数和(自身を除く): 1405772977

約数列:

[1, 7, 97, 661, 679, 4627, 20021, 64117, 140147, 448819, 1942037, 13233881, 13594259, 92637167, 1283686457, 8985805199]

約数ペア:

[(1, 8985805199), (7, 1283686457), (97, 92637167), (661, 13594259), (679, 13233881), (4627, 1942037), (20021, 448819), (64117, 140147)]