426634576

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{13339}}^1$

素因数の和:15346

約数の個数: 20

約数和(自身を含む): 827080000

約数和(自身を除く): 400445424

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 7996, 13339, 15992, 26678, 31984, 53356, 106712, 213424, 26664661, 53329322, 106658644, 213317288, 426634576]

約数ペア:

[(1, 426634576), (2, 213317288), (4, 106658644), (8, 53329322), (16, 26664661), (1999, 213424), (3998, 106712), (7996, 53356), (13339, 31984), (15992, 26678)]