669631781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1\times {\mathrm{4909}}^1$

素因数の和:6428

約数の個数: 16

約数和(自身を含む): 824880000

約数和(自身を除く): 155248219

約数列:

[1, 7, 13, 91, 1499, 4909, 10493, 19487, 34363, 63817, 136409, 446719, 7358591, 51510137, 95661683, 669631781]

約数ペア:

[(1, 669631781), (7, 95661683), (13, 51510137), (91, 7358591), (1499, 446719), (4909, 136409), (10493, 63817), (19487, 34363)]