81581258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{4327}}^1$

素因数の和:5197

約数の個数: 16

約数和(自身を含む): 133683264

約数和(自身を除く): 52102006

約数列:

[1, 2, 11, 22, 857, 1714, 4327, 8654, 9427, 18854, 47597, 95194, 3708239, 7416478, 40790629, 81581258]

約数ペア:

[(1, 81581258), (2, 40790629), (11, 7416478), (22, 3708239), (857, 95194), (1714, 47597), (4327, 18854), (8654, 9427)]