12810215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2722

約数の個数: 16

約数和(自身を含む): 16964640

約数和(自身を除く): 4154425

約数列:

[1, 5, 11, 55, 89, 445, 979, 2617, 4895, 13085, 28787, 143935, 232913, 1164565, 2562043, 12810215]

約数ペア:

[(1, 12810215), (5, 2562043), (11, 1164565), (55, 232913), (89, 143935), (445, 28787), (979, 13085), (2617, 4895)]