68681392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330199}}^1$

素因数の和:330220

約数の個数: 20

約数和(自身を含む): 143306800

約数和(自身を除く): 74625408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330199, 660398, 1320796, 2641592, 4292587, 5283184, 8585174, 17170348, 34340696, 68681392]

約数ペア:

[(1, 68681392), (2, 34340696), (4, 17170348), (8, 8585174), (13, 5283184), (16, 4292587), (26, 2641592), (52, 1320796), (104, 660398), (208, 330199)]