81235286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{5503}}^1$

素因数の和:5588

約数の個数: 24

約数和(自身を含む): 136157952

約数和(自身を除く): 54922666

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 5503, 7381, 11006, 14762, 60533, 121066, 335683, 665863, 671366, 1331726, 3692513, 7385026, 40617643, 81235286]

約数ペア:

[(1, 81235286), (2, 40617643), (11, 7385026), (22, 3692513), (61, 1331726), (121, 671366), (122, 665863), (242, 335683), (671, 121066), (1342, 60533), (5503, 14762), (7381, 11006)]