256186656

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 144

約数和(自身を含む): 800785440

約数和(自身を除く): 544598784

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 193, 198, 264, 288, 352, 386, 396, 419, 528, 579, 772, 792, 838, 1056, 1158, 1257, 1544, 1584, 1676, 1737, 2123, 2316, 2514, 3088, 3168, 3352, 3474, 3771, 4246, 4609, 4632, 5028, 6176, 6369, 6704, 6948, 7542, 8492, 9218, 9264, 10056, 12738, 13408, 13827, 13896, 15084, 16984, 18436, 18528, 19107, 20112, 25476, 27654, 27792, 30168, 33968, 36872, 38214, 40224, 41481, 50952, 55308, 55584, 60336, 67936, 73744, 76428, 80867, 82962, 101904, 110616, 120672, 147488, 152856, 161734, 165924, 203808, 221232, 242601, 305712, 323468, 331848, 442464, 485202, 611424, 646936, 663696, 727803, 889537, 970404, 1293872, 1327392, 1455606, 1779074, 1940808, 2587744, 2668611, 2911212, 3558148, 3881616, 5337222, 5822424, 7116296, 7763232, 8005833, 10674444, 11644848, 14232592, 16011666, 21348888, 23289696, 28465184, 32023332, 42697776, 64046664, 85395552, 128093328, 256186656]

約数ペア:

[(1, 256186656), (2, 128093328), (3, 85395552), (4, 64046664), (6, 42697776), (8, 32023332), (9, 28465184), (11, 23289696), (12, 21348888), (16, 16011666), (18, 14232592), (22, 11644848), (24, 10674444), (32, 8005833), (33, 7763232), (36, 7116296), (44, 5822424), (48, 5337222), (66, 3881616), (72, 3558148), (88, 2911212), (96, 2668611), (99, 2587744), (132, 1940808), (144, 1779074), (176, 1455606), (193, 1327392), (198, 1293872), (264, 970404), (288, 889537), (352, 727803), (386, 663696), (396, 646936), (419, 611424), (528, 485202), (579, 442464), (772, 331848), (792, 323468), (838, 305712), (1056, 242601), (1158, 221232), (1257, 203808), (1544, 165924), (1584, 161734), (1676, 152856), (1737, 147488), (2123, 120672), (2316, 110616), (2514, 101904), (3088, 82962), (3168, 80867), (3352, 76428), (3474, 73744), (3771, 67936), (4246, 60336), (4609, 55584), (4632, 55308), (5028, 50952), (6176, 41481), (6369, 40224), (6704, 38214), (6948, 36872), (7542, 33968), (8492, 30168), (9218, 27792), (9264, 27654), (10056, 25476), (12738, 20112), (13408, 19107), (13827, 18528), (13896, 18436), (15084, 16984)]