8166925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1933}}^1$

素因数の和:1969

約数の個数: 18

約数和(自身を含む): 10971582

約数和(自身を除く): 2804657

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1933, 4225, 9665, 25129, 48325, 125645, 326677, 628225, 1633385, 8166925]

約数ペア:

[(1, 8166925), (5, 1633385), (13, 628225), (25, 326677), (65, 125645), (169, 48325), (325, 25129), (845, 9665), (1933, 4225)]