81203612

素因数分解:

$2^2\times 7^1\times {\mathrm{2900129}}^1$

素因数の和:2900140

約数の個数: 12

約数和(自身を含む): 162407280

約数和(自身を除く): 81203668

約数列:

[1, 2, 4, 7, 14, 28, 2900129, 5800258, 11600516, 20300903, 40601806, 81203612]

約数ペア:

[(1, 81203612), (2, 40601806), (4, 20300903), (7, 11600516), (14, 5800258), (28, 2900129)]