71869721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2837}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 93177216

約数和(自身を除く): 21307495

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 2837, 3619, 19859, 25333, 31207, 133339, 139013, 218449, 933373, 1466729, 1529143, 6533611, 10267103, 71869721]

約数ペア:

[(1, 71869721), (7, 10267103), (11, 6533611), (47, 1529143), (49, 1466729), (77, 933373), (329, 218449), (517, 139013), (539, 133339), (2303, 31207), (2837, 25333), (3619, 19859)]