205979165

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{82889}}^1$

素因数の和:82972

約数の個数: 16

約数和(自身を含む): 286467840

約数和(自身を除く): 80488675

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 82889, 414445, 580223, 2901115, 5885119, 29425595, 41195833, 205979165]

約数ペア:

[(1, 205979165), (5, 41195833), (7, 29425595), (35, 5885119), (71, 2901115), (355, 580223), (497, 414445), (2485, 82889)]