28961471

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 37588992

約数和(自身を除く): 8627521

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 1103, 2387, 3751, 7721, 12133, 26257, 34193, 84931, 133463, 239351, 376123, 934241, 2632861, 4137353, 28961471]

約数ペア:

[(1, 28961471), (7, 4137353), (11, 2632861), (31, 934241), (77, 376123), (121, 239351), (217, 133463), (341, 84931), (847, 34193), (1103, 26257), (2387, 12133), (3751, 7721)]