28428673

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{3433}}^1$

素因数の和:3473

約数の個数: 18

約数和(自身を含む): 35820054

約数和(自身を除く): 7391381

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 3433, 8281, 24031, 44629, 168217, 312403, 580177, 2186821, 4061239, 28428673]

約数ペア:

[(1, 28428673), (7, 4061239), (13, 2186821), (49, 580177), (91, 312403), (169, 168217), (637, 44629), (1183, 24031), (3433, 8281)]