128737308025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{302911313}}^1$

素因数の和:302911340

約数の個数: 12

約数和(自身を含む): 169024513212

約数和(自身を除く): 40287205187

約数列:

[1, 5, 17, 25, 85, 425, 302911313, 1514556565, 5149492321, 7572782825, 25747461605, 128737308025]

約数ペア:

[(1, 128737308025), (5, 25747461605), (17, 7572782825), (25, 5149492321), (85, 1514556565), (425, 302911313)]