6637475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1607

約数の個数: 18

約数和(自身を含む): 8917956

約数和(自身を除く): 2280481

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1571, 4225, 7855, 20423, 39275, 102115, 265499, 510575, 1327495, 6637475]

約数ペア:

[(1, 6637475), (5, 1327495), (13, 510575), (25, 265499), (65, 102115), (169, 39275), (325, 20423), (845, 7855), (1571, 4225)]