31278325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 42103208

約数和(自身を除く): 10824883

約数列:

[1, 5, 13, 25, 65, 157, 325, 613, 785, 2041, 3065, 3925, 7969, 10205, 15325, 39845, 51025, 96241, 199225, 481205, 1251133, 2406025, 6255665, 31278325]

約数ペア:

[(1, 31278325), (5, 6255665), (13, 2406025), (25, 1251133), (65, 481205), (157, 199225), (325, 96241), (613, 51025), (785, 39845), (2041, 15325), (3065, 10205), (3925, 7969)]