71716981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1979}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 85155840

約数和(自身を除く): 13438859

約数列:

[1, 7, 31, 167, 217, 1169, 1979, 5177, 13853, 36239, 61349, 330493, 429443, 2313451, 10245283, 71716981]

約数ペア:

[(1, 71716981), (7, 10245283), (31, 2313451), (167, 429443), (217, 330493), (1169, 61349), (1979, 36239), (5177, 13853)]