7045025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 9608760

約数和(自身を除く): 2563735

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 409, 689, 1325, 2045, 3445, 5317, 10225, 17225, 21677, 26585, 108385, 132925, 281801, 541925, 1409005, 7045025]

約数ペア:

[(1, 7045025), (5, 1409005), (13, 541925), (25, 281801), (53, 132925), (65, 108385), (265, 26585), (325, 21677), (409, 17225), (689, 10225), (1325, 5317), (2045, 3445)]