81801214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{8627}}^1$

素因数の和:9071

約数の個数: 16

約数和(自身を含む): 134182656

約数和(自身を除く): 52381442

約数列:

[1, 2, 11, 22, 431, 862, 4741, 8627, 9482, 17254, 94897, 189794, 3718237, 7436474, 40900607, 81801214]

約数ペア:

[(1, 81801214), (2, 40900607), (11, 7436474), (22, 3718237), (431, 189794), (862, 94897), (4741, 17254), (8627, 9482)]