204557106

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 457712640

約数和(自身を除く): 253155534

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 71, 78, 86, 129, 142, 213, 258, 426, 559, 859, 923, 1118, 1677, 1718, 1846, 2577, 2769, 3053, 3354, 5154, 5538, 6106, 9159, 11167, 18318, 22334, 33501, 36937, 39689, 60989, 67002, 73874, 79378, 110811, 119067, 121978, 182967, 221622, 238134, 365934, 480181, 792857, 960362, 1440543, 1585714, 2378571, 2622527, 2881086, 4757142, 5245054, 7867581, 15735162, 34092851, 68185702, 102278553, 204557106]

約数ペア:

[(1, 204557106), (2, 102278553), (3, 68185702), (6, 34092851), (13, 15735162), (26, 7867581), (39, 5245054), (43, 4757142), (71, 2881086), (78, 2622527), (86, 2378571), (129, 1585714), (142, 1440543), (213, 960362), (258, 792857), (426, 480181), (559, 365934), (859, 238134), (923, 221622), (1118, 182967), (1677, 121978), (1718, 119067), (1846, 110811), (2577, 79378), (2769, 73874), (3053, 67002), (3354, 60989), (5154, 39689), (5538, 36937), (6106, 33501), (9159, 22334), (11167, 18318)]