3980079425

素因数分解:

$5^2\times 7^1\times {\mathrm{22743311}}^1$

素因数の和:22743328

約数の個数: 12

約数和(自身を含む): 5640341376

約数和(自身を除く): 1660261951

約数列:

[1, 5, 7, 25, 35, 175, 22743311, 113716555, 159203177, 568582775, 796015885, 3980079425]

約数ペア:

[(1, 3980079425), (5, 796015885), (7, 568582775), (25, 159203177), (35, 113716555), (175, 22743311)]