647258207

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{7433}}^1$

素因数の和:7570

約数の個数: 12

約数和(自身を含む): 681073344

約数和(自身を除く): 33815137

約数列:

[1, 31, 53, 1643, 2809, 7433, 87079, 230423, 393949, 12212419, 20879297, 647258207]

約数ペア:

[(1, 647258207), (31, 20879297), (53, 12212419), (1643, 393949), (2809, 230423), (7433, 87079)]