89148437

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 113233920

約数和(自身を除く): 24085483

約数列:

[1, 7, 19, 23, 133, 151, 161, 193, 437, 1057, 1351, 2869, 3059, 3473, 3667, 4439, 20083, 24311, 25669, 29143, 31073, 65987, 84341, 204001, 461909, 553717, 590387, 670289, 3876019, 4692023, 12735491, 89148437]

約数ペア:

[(1, 89148437), (7, 12735491), (19, 4692023), (23, 3876019), (133, 670289), (151, 590387), (161, 553717), (193, 461909), (437, 204001), (1057, 84341), (1351, 65987), (2869, 31073), (3059, 29143), (3473, 25669), (3667, 24311), (4439, 20083)]