79681475

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{21391}}^1$

素因数の和:21550

約数の個数: 12

約数和(自身を含む): 99472800

約数和(自身を除く): 19791325

約数列:

[1, 5, 25, 149, 745, 3725, 21391, 106955, 534775, 3187259, 15936295, 79681475]

約数ペア:

[(1, 79681475), (5, 15936295), (25, 3187259), (149, 534775), (745, 106955), (3725, 21391)]