68941808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331451}}^1$

素因数の和:331472

約数の個数: 20

約数和(自身を含む): 143850168

約数和(自身を除く): 74908360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331451, 662902, 1325804, 2651608, 4308863, 5303216, 8617726, 17235452, 34470904, 68941808]

約数ペア:

[(1, 68941808), (2, 34470904), (4, 17235452), (8, 8617726), (13, 5303216), (16, 4308863), (26, 2651608), (52, 1325804), (104, 662902), (208, 331451)]