198487177

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1601}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 230688000

約数和(自身を除く): 32200823

約数列:

[1, 7, 89, 199, 623, 1393, 1601, 11207, 17711, 123977, 142489, 318599, 997423, 2230193, 28355311, 198487177]

約数ペア:

[(1, 198487177), (7, 28355311), (89, 2230193), (199, 997423), (623, 318599), (1393, 142489), (1601, 123977), (11207, 17711)]