71906471

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 90780480

約数和(自身を除く): 18874009

約数列:

[1, 7, 13, 49, 91, 157, 637, 719, 1099, 2041, 5033, 7693, 9347, 14287, 35231, 65429, 100009, 112883, 458003, 790181, 1467479, 5531267, 10272353, 71906471]

約数ペア:

[(1, 71906471), (7, 10272353), (13, 5531267), (49, 1467479), (91, 790181), (157, 458003), (637, 112883), (719, 100009), (1099, 65429), (2041, 35231), (5033, 14287), (7693, 9347)]