640748719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{7591}}^1$

素因数の和:7798

約数の個数: 16

約数和(自身を含む): 710854144

約数和(自身を除く): 70105425

約数列:

[1, 13, 43, 151, 559, 1963, 6493, 7591, 84409, 98683, 326413, 1146241, 4243369, 14901133, 49288363, 640748719]

約数ペア:

[(1, 640748719), (13, 49288363), (43, 14901133), (151, 4243369), (559, 1146241), (1963, 326413), (6493, 98683), (7591, 84409)]