214948565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{254377}}^1$

素因数の和:254408

約数の個数: 12

約数和(自身を含む): 279307044

約数和(自身を除く): 64358479

約数列:

[1, 5, 13, 65, 169, 845, 254377, 1271885, 3306901, 16534505, 42989713, 214948565]

約数ペア:

[(1, 214948565), (5, 42989713), (13, 16534505), (65, 3306901), (169, 1271885), (845, 254377)]