81303124

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 169344000

約数和(自身を除く): 88040876

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 223, 406, 446, 449, 812, 892, 898, 1561, 1796, 3122, 3143, 6244, 6286, 6467, 12572, 12934, 13021, 25868, 26042, 45269, 52084, 90538, 91147, 100127, 181076, 182294, 200254, 364588, 400508, 700889, 1401778, 2803556, 2903683, 5807366, 11614732, 20325781, 40651562, 81303124]

約数ペア:

[(1, 81303124), (2, 40651562), (4, 20325781), (7, 11614732), (14, 5807366), (28, 2903683), (29, 2803556), (58, 1401778), (116, 700889), (203, 400508), (223, 364588), (406, 200254), (446, 182294), (449, 181076), (812, 100127), (892, 91147), (898, 90538), (1561, 52084), (1796, 45269), (3122, 26042), (3143, 25868), (6244, 13021), (6286, 12934), (6467, 12572)]