639575808

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 1767782016

約数和(自身を除く): 1128206208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 107, 128, 129, 172, 181, 192, 214, 256, 258, 321, 344, 362, 384, 428, 516, 543, 642, 688, 724, 768, 856, 1032, 1086, 1284, 1376, 1448, 1712, 2064, 2172, 2568, 2752, 2896, 3424, 4128, 4344, 4601, 5136, 5504, 5792, 6848, 7783, 8256, 8688, 9202, 10272, 11008, 11584, 13696, 13803, 15566, 16512, 17376, 18404, 19367, 20544, 23168, 23349, 27392, 27606, 31132, 33024, 34752, 36808, 38734, 41088, 46336, 46698, 55212, 58101, 62264, 69504, 73616, 77468, 82176, 93396, 110424, 116202, 124528, 139008, 147232, 154936, 186792, 220848, 232404, 249056, 294464, 309872, 373584, 441696, 464808, 498112, 588928, 619744, 747168, 832781, 883392, 929616, 996224, 1177856, 1239488, 1494336, 1665562, 1766784, 1859232, 1992448, 2478976, 2498343, 2988672, 3331124, 3533568, 3718464, 4957952, 4996686, 5977344, 6662248, 7436928, 9993372, 13324496, 14873856, 19986744, 26648992, 39973488, 53297984, 79946976, 106595968, 159893952, 213191936, 319787904, 639575808]

約数ペア:

[(1, 639575808), (2, 319787904), (3, 213191936), (4, 159893952), (6, 106595968), (8, 79946976), (12, 53297984), (16, 39973488), (24, 26648992), (32, 19986744), (43, 14873856), (48, 13324496), (64, 9993372), (86, 7436928), (96, 6662248), (107, 5977344), (128, 4996686), (129, 4957952), (172, 3718464), (181, 3533568), (192, 3331124), (214, 2988672), (256, 2498343), (258, 2478976), (321, 1992448), (344, 1859232), (362, 1766784), (384, 1665562), (428, 1494336), (516, 1239488), (543, 1177856), (642, 996224), (688, 929616), (724, 883392), (768, 832781), (856, 747168), (1032, 619744), (1086, 588928), (1284, 498112), (1376, 464808), (1448, 441696), (1712, 373584), (2064, 309872), (2172, 294464), (2568, 249056), (2752, 232404), (2896, 220848), (3424, 186792), (4128, 154936), (4344, 147232), (4601, 139008), (5136, 124528), (5504, 116202), (5792, 110424), (6848, 93396), (7783, 82176), (8256, 77468), (8688, 73616), (9202, 69504), (10272, 62264), (11008, 58101), (11584, 55212), (13696, 46698), (13803, 46336), (15566, 41088), (16512, 38734), (17376, 36808), (18404, 34752), (19367, 33024), (20544, 31132), (23168, 27606), (23349, 27392)]