28123788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2767}}^1$

素因数の和:2803

約数の個数: 72

約数和(自身を含む): 82464256

約数和(自身を除く): 54340468

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 2767, 3388, 5082, 5534, 8301, 10164, 11068, 16602, 19369, 30437, 33204, 38738, 58107, 60874, 77476, 91311, 116214, 121748, 182622, 213059, 232428, 334807, 365244, 426118, 639177, 669614, 852236, 1004421, 1278354, 1339228, 2008842, 2343649, 2556708, 4017684, 4687298, 7030947, 9374596, 14061894, 28123788]

約数ペア:

[(1, 28123788), (2, 14061894), (3, 9374596), (4, 7030947), (6, 4687298), (7, 4017684), (11, 2556708), (12, 2343649), (14, 2008842), (21, 1339228), (22, 1278354), (28, 1004421), (33, 852236), (42, 669614), (44, 639177), (66, 426118), (77, 365244), (84, 334807), (121, 232428), (132, 213059), (154, 182622), (231, 121748), (242, 116214), (308, 91311), (363, 77476), (462, 60874), (484, 58107), (726, 38738), (847, 33204), (924, 30437), (1452, 19369), (1694, 16602), (2541, 11068), (2767, 10164), (3388, 8301), (5082, 5534)]