209753312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 455051520

約数和(自身を除く): 245298208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 71, 76, 86, 113, 142, 152, 172, 226, 284, 304, 344, 452, 568, 608, 688, 817, 904, 1136, 1349, 1376, 1634, 1808, 2147, 2272, 2698, 3053, 3268, 3616, 4294, 4859, 5396, 6106, 6536, 8023, 8588, 9718, 10792, 12212, 13072, 16046, 17176, 19436, 21584, 24424, 26144, 32092, 34352, 38872, 43168, 48848, 58007, 64184, 68704, 77744, 92321, 97696, 116014, 128368, 152437, 155488, 184642, 232028, 256736, 304874, 344989, 369284, 464056, 609748, 689978, 738568, 928112, 1219496, 1379956, 1477136, 1856224, 2438992, 2759912, 2954272, 4877984, 5519824, 6554791, 11039648, 13109582, 26219164, 52438328, 104876656, 209753312]

約数ペア:

[(1, 209753312), (2, 104876656), (4, 52438328), (8, 26219164), (16, 13109582), (19, 11039648), (32, 6554791), (38, 5519824), (43, 4877984), (71, 2954272), (76, 2759912), (86, 2438992), (113, 1856224), (142, 1477136), (152, 1379956), (172, 1219496), (226, 928112), (284, 738568), (304, 689978), (344, 609748), (452, 464056), (568, 369284), (608, 344989), (688, 304874), (817, 256736), (904, 232028), (1136, 184642), (1349, 155488), (1376, 152437), (1634, 128368), (1808, 116014), (2147, 97696), (2272, 92321), (2698, 77744), (3053, 68704), (3268, 64184), (3616, 58007), (4294, 48848), (4859, 43168), (5396, 38872), (6106, 34352), (6536, 32092), (8023, 26144), (8588, 24424), (9718, 21584), (10792, 19436), (12212, 17176), (13072, 16046)]