28382165

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7873}}^1$

素因数の和:7988

約数の個数: 16

約数和(自身を含む): 39307008

約数和(自身を除く): 10924843

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 7873, 39365, 55111, 275555, 810919, 4054595, 5676433, 28382165]

約数ペア:

[(1, 28382165), (5, 5676433), (7, 4054595), (35, 810919), (103, 275555), (515, 55111), (721, 39365), (3605, 7873)]