164628620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{633187}}^1$

素因数の和:633209

約数の個数: 24

約数和(自身を含む): 372314544

約数和(自身を除く): 207685924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 633187, 1266374, 2532748, 3165935, 6331870, 8231431, 12663740, 16462862, 32925724, 41157155, 82314310, 164628620]

約数ペア:

[(1, 164628620), (2, 82314310), (4, 41157155), (5, 32925724), (10, 16462862), (13, 12663740), (20, 8231431), (26, 6331870), (52, 3165935), (65, 2532748), (130, 1266374), (260, 633187)]