66671665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1667}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 84467520

約数和(自身を除く): 17795855

約数列:

[1, 5, 19, 95, 421, 1667, 2105, 7999, 8335, 31673, 39995, 158365, 701807, 3509035, 13334333, 66671665]

約数ペア:

[(1, 66671665), (5, 13334333), (19, 3509035), (95, 701807), (421, 158365), (1667, 39995), (2105, 31673), (7999, 8335)]