28512169

素因数分解:

$7^2\times {\mathrm{311}}^1\times {\mathrm{1871}}^1$

素因数の和:2196

約数の個数: 12

約数和(自身を含む): 33291648

約数和(自身を除く): 4779479

約数列:

[1, 7, 49, 311, 1871, 2177, 13097, 15239, 91679, 581881, 4073167, 28512169]

約数ペア:

[(1, 28512169), (7, 4073167), (49, 581881), (311, 91679), (1871, 15239), (2177, 13097)]