11625025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1609}}^1$

素因数の和:1653

約数の個数: 18

約数和(自身を含む): 15322370

約数和(自身を除く): 3697345

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 1609, 7225, 8045, 27353, 40225, 136765, 465001, 683825, 2325005, 11625025]

約数ペア:

[(1, 11625025), (5, 2325005), (17, 683825), (25, 465001), (85, 136765), (289, 40225), (425, 27353), (1445, 8045), (1609, 7225)]