28386721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{379}}^1\times {\mathrm{619}}^1$

素因数の和:1020

約数の個数: 12

約数和(自身を含む): 31334800

約数和(自身を除く): 2948079

約数列:

[1, 11, 121, 379, 619, 4169, 6809, 45859, 74899, 234601, 2580611, 28386721]

約数ペア:

[(1, 28386721), (11, 2580611), (121, 234601), (379, 74899), (619, 45859), (4169, 6809)]