289311125

素因数分解:

$5^3\times {\mathrm{139}}^1\times {\mathrm{16651}}^1$

素因数の和:16805

約数の個数: 16

約数和(自身を含む): 363679680

約数和(自身を除く): 74368555

約数列:

[1, 5, 25, 125, 139, 695, 3475, 16651, 17375, 83255, 416275, 2081375, 2314489, 11572445, 57862225, 289311125]

約数ペア:

[(1, 289311125), (5, 57862225), (25, 11572445), (125, 2314489), (139, 2081375), (695, 416275), (3475, 83255), (16651, 17375)]