31185804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199909}}^1$

素因数の和:199929

約数の個数: 24

約数和(自身を含む): 78364720

約数和(自身を除く): 47178916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199909, 399818, 599727, 799636, 1199454, 2398908, 2598817, 5197634, 7796451, 10395268, 15592902, 31185804]

約数ペア:

[(1, 31185804), (2, 15592902), (3, 10395268), (4, 7796451), (6, 5197634), (12, 2598817), (13, 2398908), (26, 1199454), (39, 799636), (52, 599727), (78, 399818), (156, 199909)]