28176918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 43154922

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 781, 859, 994, 1491, 1562, 1718, 2343, 2577, 2982, 4686, 5154, 5467, 6013, 9449, 10934, 12026, 16401, 18039, 18898, 28347, 32802, 36078, 56694, 60989, 66143, 121978, 132286, 182967, 198429, 365934, 396858, 426923, 670879, 853846, 1280769, 1341758, 2012637, 2561538, 4025274, 4696153, 9392306, 14088459, 28176918]

約数ペア:

[(1, 28176918), (2, 14088459), (3, 9392306), (6, 4696153), (7, 4025274), (11, 2561538), (14, 2012637), (21, 1341758), (22, 1280769), (33, 853846), (42, 670879), (66, 426923), (71, 396858), (77, 365934), (142, 198429), (154, 182967), (213, 132286), (231, 121978), (426, 66143), (462, 60989), (497, 56694), (781, 36078), (859, 32802), (994, 28347), (1491, 18898), (1562, 18039), (1718, 16401), (2343, 12026), (2577, 10934), (2982, 9449), (4686, 6013), (5154, 5467)]