80181416

素因数分解:

$2^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2213}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 172160640

約数和(自身を除く): 91979224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 647, 1294, 2213, 2588, 4426, 4529, 5176, 8852, 9058, 15491, 17704, 18116, 30982, 36232, 61964, 123928, 1431811, 2863622, 5727244, 10022677, 11454488, 20045354, 40090708, 80181416]

約数ペア:

[(1, 80181416), (2, 40090708), (4, 20045354), (7, 11454488), (8, 10022677), (14, 5727244), (28, 2863622), (56, 1431811), (647, 123928), (1294, 61964), (2213, 36232), (2588, 30982), (4426, 18116), (4529, 17704), (5176, 15491), (8852, 9058)]