208131115

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{7213}}^1$

素因数の和:7446

約数の個数: 16

約数和(自身を含む): 259704000

約数和(自身を除く): 51572885

約数列:

[1, 5, 29, 145, 199, 995, 5771, 7213, 28855, 36065, 209177, 1045885, 1435387, 7176935, 41626223, 208131115]

約数ペア:

[(1, 208131115), (5, 41626223), (29, 7176935), (145, 1435387), (199, 1045885), (995, 209177), (5771, 36065), (7213, 28855)]