394997825

素因数分解:

$5^2\times {\mathrm{2207}}^1\times {\mathrm{7159}}^1$

素因数の和:9376

約数の個数: 12

約数和(自身を含む): 490087680

約数和(自身を除く): 95089855

約数列:

[1, 5, 25, 2207, 7159, 11035, 35795, 55175, 178975, 15799913, 78999565, 394997825]

約数ペア:

[(1, 394997825), (5, 78999565), (25, 15799913), (2207, 178975), (7159, 55175), (11035, 35795)]