398214404

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{25261}}^1$

素因数の和:25835

約数の個数: 24

約数和(自身を含む): 797875008

約数和(自身を除く): 399660604

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 2252, 3941, 7882, 15764, 25261, 50522, 101044, 176827, 353654, 707308, 14221943, 28443886, 56887772, 99553601, 199107202, 398214404]

約数ペア:

[(1, 398214404), (2, 199107202), (4, 99553601), (7, 56887772), (14, 28443886), (28, 14221943), (563, 707308), (1126, 353654), (2252, 176827), (3941, 101044), (7882, 50522), (15764, 25261)]