208165825

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{11117}}^1$

素因数の和:11241

約数の個数: 24

約数和(自身を含む): 297784512

約数和(自身を除く): 89618687

約数列:

[1, 5, 7, 25, 35, 107, 175, 535, 749, 2675, 3745, 11117, 18725, 55585, 77819, 277925, 389095, 1189519, 1945475, 5947595, 8326633, 29737975, 41633165, 208165825]

約数ペア:

[(1, 208165825), (5, 41633165), (7, 29737975), (25, 8326633), (35, 5947595), (107, 1945475), (175, 1189519), (535, 389095), (749, 277925), (2675, 77819), (3745, 55585), (11117, 18725)]