25490507

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 30336000

約数和(自身を除く): 4845493

約数列:

[1, 7, 29, 199, 203, 631, 1393, 4417, 5771, 18299, 40397, 125569, 128093, 878983, 3641501, 25490507]

約数ペア:

[(1, 25490507), (7, 3641501), (29, 878983), (199, 128093), (203, 125569), (631, 40397), (1393, 18299), (4417, 5771)]