12888905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 16174080

約数和(自身を除く): 3285175

約数列:

[1, 5, 29, 103, 145, 515, 863, 2987, 4315, 14935, 25027, 88889, 125135, 444445, 2577781, 12888905]

約数ペア:

[(1, 12888905), (5, 2577781), (29, 444445), (103, 125135), (145, 88889), (515, 25027), (863, 14935), (2987, 4315)]