56788225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{13441}}^1$

素因数の和:13477

約数の個数: 18

約数和(自身を含む): 76256466

約数和(自身を除く): 19468241

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 13441, 67205, 174733, 336025, 873665, 2271529, 4368325, 11357645, 56788225]

約数ペア:

[(1, 56788225), (5, 11357645), (13, 4368325), (25, 2271529), (65, 873665), (169, 336025), (325, 174733), (845, 67205), (4225, 13441)]