25720513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7639}}^1$

素因数の和:7696

約数の個数: 16

約数和(自身を含む): 32515840

約数和(自身を除く): 6795327

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 7639, 53473, 99307, 282643, 695149, 1978501, 3674359, 25720513]

約数ペア:

[(1, 25720513), (7, 3674359), (13, 1978501), (37, 695149), (91, 282643), (259, 99307), (481, 53473), (3367, 7639)]