28205359

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8377}}^1$

素因数の和:8434

約数の個数: 16

約数和(自身を含む): 35656768

約数和(自身を除く): 7451409

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 8377, 58639, 108901, 309949, 762307, 2169643, 4029337, 28205359]

約数ペア:

[(1, 28205359), (7, 4029337), (13, 2169643), (37, 762307), (91, 309949), (259, 108901), (481, 58639), (3367, 8377)]