225517825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{53377}}^1$

素因数の和:53413

約数の個数: 18

約数和(自身を含む): 302813394

約数和(自身を除く): 77295569

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 53377, 266885, 693901, 1334425, 3469505, 9020713, 17347525, 45103565, 225517825]

約数ペア:

[(1, 225517825), (5, 45103565), (13, 17347525), (25, 9020713), (65, 3469505), (169, 1334425), (325, 693901), (845, 266885), (4225, 53377)]