491566327

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 611942400

約数和(自身を除く): 120376073

約数列:

[1, 7, 23, 29, 127, 161, 203, 667, 829, 889, 2921, 3683, 4669, 5803, 19067, 20447, 24041, 25781, 84709, 105283, 133469, 168287, 552943, 592963, 736981, 2421509, 3053207, 3870601, 16950563, 21372449, 70223761, 491566327]

約数ペア:

[(1, 491566327), (7, 70223761), (23, 21372449), (29, 16950563), (127, 3870601), (161, 3053207), (203, 2421509), (667, 736981), (829, 592963), (889, 552943), (2921, 168287), (3683, 133469), (4669, 105283), (5803, 84709), (19067, 25781), (20447, 24041)]