639804529

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{14437}}^1$

素因数の和:14944

約数の個数: 16

約数和(自身を含む): 789123328

約数和(自身を除く): 149318799

約数列:

[1, 7, 13, 91, 487, 3409, 6331, 14437, 44317, 101059, 187681, 1313767, 7030819, 49215733, 91400647, 639804529]

約数ペア:

[(1, 639804529), (7, 91400647), (13, 49215733), (91, 7030819), (487, 1313767), (3409, 187681), (6331, 101059), (14437, 44317)]