67287493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38917}}^1$

素因数の和:38956

約数の個数: 16

約数和(自身を含む): 87176320

約数和(自身を除く): 19888827

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38917, 272419, 505921, 739423, 3541447, 5175961, 9612499, 67287493]

約数ペア:

[(1, 67287493), (7, 9612499), (13, 5175961), (19, 3541447), (91, 739423), (133, 505921), (247, 272419), (1729, 38917)]