66401075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{204311}}^1$

素因数の和:204334

約数の個数: 12

約数和(自身を含む): 88671408

約数和(自身を除く): 22270333

約数列:

[1, 5, 13, 25, 65, 325, 204311, 1021555, 2656043, 5107775, 13280215, 66401075]

約数ペア:

[(1, 66401075), (5, 13280215), (13, 5107775), (25, 2656043), (65, 1021555), (325, 204311)]