299747188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{443413}}^1$

素因数の和:443443

約数の個数: 18

約数和(自身を含む): 568013334

約数和(自身を除く): 268266146

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 443413, 886826, 1773652, 5764369, 11528738, 23057476, 74936797, 149873594, 299747188]

約数ペア:

[(1, 299747188), (2, 149873594), (4, 74936797), (13, 23057476), (26, 11528738), (52, 5764369), (169, 1773652), (338, 886826), (676, 443413)]