257316864

素因数分解:

$2^{11}\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 813496320

約数和(自身を除く): 556179456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 193, 217, 224, 248, 256, 336, 372, 384, 386, 434, 448, 496, 512, 579, 651, 672, 744, 768, 772, 868, 896, 992, 1024, 1158, 1302, 1344, 1351, 1488, 1536, 1544, 1736, 1792, 1984, 2048, 2316, 2604, 2688, 2702, 2976, 3072, 3088, 3472, 3584, 3968, 4053, 4632, 5208, 5376, 5404, 5952, 5983, 6144, 6176, 6944, 7168, 7936, 8106, 9264, 10416, 10752, 10808, 11904, 11966, 12352, 13888, 14336, 15872, 16212, 17949, 18528, 20832, 21504, 21616, 23808, 23932, 24704, 27776, 31744, 32424, 35898, 37056, 41664, 41881, 43008, 43232, 47616, 47864, 49408, 55552, 63488, 64848, 71796, 74112, 83328, 83762, 86464, 95232, 95728, 98816, 111104, 125643, 129696, 143592, 148224, 166656, 167524, 172928, 190464, 191456, 197632, 222208, 251286, 259392, 287184, 296448, 333312, 335048, 345856, 382912, 395264, 444416, 502572, 518784, 574368, 592896, 666624, 670096, 691712, 765824, 1005144, 1037568, 1148736, 1185792, 1333248, 1340192, 1383424, 1531648, 2010288, 2075136, 2297472, 2680384, 2766848, 3063296, 4020576, 4150272, 4594944, 5360768, 6126592, 8041152, 8300544, 9189888, 10721536, 12253184, 16082304, 18379776, 21443072, 32164608, 36759552, 42886144, 64329216, 85772288, 128658432, 257316864]

約数ペア:

[(1, 257316864), (2, 128658432), (3, 85772288), (4, 64329216), (6, 42886144), (7, 36759552), (8, 32164608), (12, 21443072), (14, 18379776), (16, 16082304), (21, 12253184), (24, 10721536), (28, 9189888), (31, 8300544), (32, 8041152), (42, 6126592), (48, 5360768), (56, 4594944), (62, 4150272), (64, 4020576), (84, 3063296), (93, 2766848), (96, 2680384), (112, 2297472), (124, 2075136), (128, 2010288), (168, 1531648), (186, 1383424), (192, 1340192), (193, 1333248), (217, 1185792), (224, 1148736), (248, 1037568), (256, 1005144), (336, 765824), (372, 691712), (384, 670096), (386, 666624), (434, 592896), (448, 574368), (496, 518784), (512, 502572), (579, 444416), (651, 395264), (672, 382912), (744, 345856), (768, 335048), (772, 333312), (868, 296448), (896, 287184), (992, 259392), (1024, 251286), (1158, 222208), (1302, 197632), (1344, 191456), (1351, 190464), (1488, 172928), (1536, 167524), (1544, 166656), (1736, 148224), (1792, 143592), (1984, 129696), (2048, 125643), (2316, 111104), (2604, 98816), (2688, 95728), (2702, 95232), (2976, 86464), (3072, 83762), (3088, 83328), (3472, 74112), (3584, 71796), (3968, 64848), (4053, 63488), (4632, 55552), (5208, 49408), (5376, 47864), (5404, 47616), (5952, 43232), (5983, 43008), (6144, 41881), (6176, 41664), (6944, 37056), (7168, 35898), (7936, 32424), (8106, 31744), (9264, 27776), (10416, 24704), (10752, 23932), (10808, 23808), (11904, 21616), (11966, 21504), (12352, 20832), (13888, 18528), (14336, 17949), (15872, 16212)]