1990549445

素因数分解:

$5^1\times {\mathrm{631}}^1\times {\mathrm{630919}}^1$

素因数の和:631555

約数の個数: 8

約数和(自身を含む): 2392448640

約数和(自身を除く): 401899195

約数列:

[1, 5, 631, 3155, 630919, 3154595, 398109889, 1990549445]

約数ペア:

[(1, 1990549445), (5, 398109889), (631, 3154595), (3155, 630919)]