205943168

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 465315840

約数和(自身を除く): 259372672

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 43, 62, 64, 68, 71, 86, 124, 128, 136, 142, 172, 248, 272, 284, 344, 496, 527, 544, 568, 688, 731, 992, 1054, 1088, 1136, 1207, 1333, 1376, 1462, 1984, 2108, 2176, 2201, 2272, 2414, 2666, 2752, 2924, 3053, 3968, 4216, 4402, 4544, 4828, 5332, 5504, 5848, 6106, 8432, 8804, 9088, 9656, 10664, 11696, 12212, 16864, 17608, 19312, 21328, 22661, 23392, 24424, 33728, 35216, 37417, 38624, 42656, 45322, 46784, 48848, 51901, 67456, 70432, 74834, 77248, 85312, 90644, 93568, 94643, 97696, 103802, 140864, 149668, 154496, 170624, 181288, 189286, 195392, 207604, 281728, 299336, 362576, 378572, 390784, 415208, 598672, 725152, 757144, 830416, 1197344, 1450304, 1514288, 1608931, 1660832, 2394688, 2900608, 3028576, 3217862, 3321664, 4789376, 6057152, 6435724, 6643328, 12114304, 12871448, 25742896, 51485792, 102971584, 205943168]

約数ペア:

[(1, 205943168), (2, 102971584), (4, 51485792), (8, 25742896), (16, 12871448), (17, 12114304), (31, 6643328), (32, 6435724), (34, 6057152), (43, 4789376), (62, 3321664), (64, 3217862), (68, 3028576), (71, 2900608), (86, 2394688), (124, 1660832), (128, 1608931), (136, 1514288), (142, 1450304), (172, 1197344), (248, 830416), (272, 757144), (284, 725152), (344, 598672), (496, 415208), (527, 390784), (544, 378572), (568, 362576), (688, 299336), (731, 281728), (992, 207604), (1054, 195392), (1088, 189286), (1136, 181288), (1207, 170624), (1333, 154496), (1376, 149668), (1462, 140864), (1984, 103802), (2108, 97696), (2176, 94643), (2201, 93568), (2272, 90644), (2414, 85312), (2666, 77248), (2752, 74834), (2924, 70432), (3053, 67456), (3968, 51901), (4216, 48848), (4402, 46784), (4544, 45322), (4828, 42656), (5332, 38624), (5504, 37417), (5848, 35216), (6106, 33728), (8432, 24424), (8804, 23392), (9088, 22661), (9656, 21328), (10664, 19312), (11696, 17608), (12212, 16864)]