1668242512

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{405701}}^1$

素因数の和:405966

約数の個数: 20

約数和(自身を含む): 3244804596

約数和(自身を除く): 1576562084

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 405701, 811402, 1622804, 3245608, 6491216, 104265157, 208530314, 417060628, 834121256, 1668242512]

約数ペア:

[(1, 1668242512), (2, 834121256), (4, 417060628), (8, 208530314), (16, 104265157), (257, 6491216), (514, 3245608), (1028, 1622804), (2056, 811402), (4112, 405701)]