639444239

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1\times {\mathrm{3469}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 774504000

約数和(自身を除く): 135059761

約数列:

[1, 7, 17, 119, 1549, 3469, 10843, 24283, 26333, 58973, 184331, 412811, 5373481, 37614367, 91349177, 639444239]

約数ペア:

[(1, 639444239), (7, 91349177), (17, 37614367), (119, 5373481), (1549, 412811), (3469, 184331), (10843, 58973), (24283, 26333)]