245655475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{755863}}^1$

素因数の和:755886

約数の個数: 12

約数和(自身を含む): 328044976

約数和(自身を除く): 82389501

約数列:

[1, 5, 13, 25, 65, 325, 755863, 3779315, 9826219, 18896575, 49131095, 245655475]

約数ペア:

[(1, 245655475), (5, 49131095), (13, 18896575), (25, 9826219), (65, 3779315), (325, 755863)]