977980157

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409711}}^1$

素因数の和:409760

約数の個数: 16

約数和(自身を含む): 1258635264

約数和(自身を除く): 280655107

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 409711, 2867977, 4506821, 12701041, 31547747, 88907287, 139711451, 977980157]

約数ペア:

[(1, 977980157), (7, 139711451), (11, 88907287), (31, 31547747), (77, 12701041), (217, 4506821), (341, 2867977), (2387, 409711)]