28181076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4357}}^1$

素因数の和:4389

約数の個数: 72

約数和(自身を含む): 83464416

約数和(自身を除く): 55283340

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 4357, 6468, 8714, 13071, 17428, 26142, 30499, 47927, 52284, 60998, 91497, 95854, 121996, 143781, 182994, 191708, 213493, 287562, 335489, 365988, 426986, 575124, 640479, 670978, 853972, 1006467, 1280958, 1341956, 2012934, 2348423, 2561916, 4025868, 4696846, 7045269, 9393692, 14090538, 28181076]

約数ペア:

[(1, 28181076), (2, 14090538), (3, 9393692), (4, 7045269), (6, 4696846), (7, 4025868), (11, 2561916), (12, 2348423), (14, 2012934), (21, 1341956), (22, 1280958), (28, 1006467), (33, 853972), (42, 670978), (44, 640479), (49, 575124), (66, 426986), (77, 365988), (84, 335489), (98, 287562), (132, 213493), (147, 191708), (154, 182994), (196, 143781), (231, 121996), (294, 95854), (308, 91497), (462, 60998), (539, 52284), (588, 47927), (924, 30499), (1078, 26142), (1617, 17428), (2156, 13071), (3234, 8714), (4357, 6468)]