257835648

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 812099520

約数和(自身を除く): 554263872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 128, 142, 147, 168, 192, 193, 196, 213, 224, 284, 294, 336, 384, 386, 392, 426, 448, 497, 568, 579, 588, 672, 772, 784, 852, 896, 994, 1136, 1158, 1176, 1344, 1351, 1491, 1544, 1568, 1704, 1988, 2272, 2316, 2352, 2688, 2702, 2982, 3088, 3136, 3408, 3479, 3976, 4053, 4544, 4632, 4704, 5404, 5964, 6176, 6272, 6816, 6958, 7952, 8106, 9088, 9264, 9408, 9457, 10437, 10808, 11928, 12352, 13632, 13703, 13916, 15904, 16212, 18528, 18816, 18914, 20874, 21616, 23856, 24704, 27264, 27406, 27832, 28371, 31808, 32424, 37056, 37828, 41109, 41748, 43232, 47712, 54812, 55664, 56742, 63616, 64848, 74112, 75656, 82218, 83496, 86464, 95424, 95921, 109624, 111328, 113484, 129696, 151312, 164436, 166992, 172928, 190848, 191842, 219248, 222656, 226968, 259392, 287763, 302624, 328872, 333984, 383684, 438496, 445312, 453936, 518784, 575526, 605248, 657744, 667968, 671447, 767368, 876992, 907872, 1151052, 1210496, 1315488, 1335936, 1342894, 1534736, 1753984, 1815744, 2014341, 2302104, 2630976, 2685788, 3069472, 3631488, 4028682, 4604208, 5261952, 5371576, 6138944, 8057364, 9208416, 10743152, 12277888, 16114728, 18416832, 21486304, 32229456, 36833664, 42972608, 64458912, 85945216, 128917824, 257835648]

約数ペア:

[(1, 257835648), (2, 128917824), (3, 85945216), (4, 64458912), (6, 42972608), (7, 36833664), (8, 32229456), (12, 21486304), (14, 18416832), (16, 16114728), (21, 12277888), (24, 10743152), (28, 9208416), (32, 8057364), (42, 6138944), (48, 5371576), (49, 5261952), (56, 4604208), (64, 4028682), (71, 3631488), (84, 3069472), (96, 2685788), (98, 2630976), (112, 2302104), (128, 2014341), (142, 1815744), (147, 1753984), (168, 1534736), (192, 1342894), (193, 1335936), (196, 1315488), (213, 1210496), (224, 1151052), (284, 907872), (294, 876992), (336, 767368), (384, 671447), (386, 667968), (392, 657744), (426, 605248), (448, 575526), (497, 518784), (568, 453936), (579, 445312), (588, 438496), (672, 383684), (772, 333984), (784, 328872), (852, 302624), (896, 287763), (994, 259392), (1136, 226968), (1158, 222656), (1176, 219248), (1344, 191842), (1351, 190848), (1491, 172928), (1544, 166992), (1568, 164436), (1704, 151312), (1988, 129696), (2272, 113484), (2316, 111328), (2352, 109624), (2688, 95921), (2702, 95424), (2982, 86464), (3088, 83496), (3136, 82218), (3408, 75656), (3479, 74112), (3976, 64848), (4053, 63616), (4544, 56742), (4632, 55664), (4704, 54812), (5404, 47712), (5964, 43232), (6176, 41748), (6272, 41109), (6816, 37828), (6958, 37056), (7952, 32424), (8106, 31808), (9088, 28371), (9264, 27832), (9408, 27406), (9457, 27264), (10437, 24704), (10808, 23856), (11928, 21616), (12352, 20874), (13632, 18914), (13703, 18816), (13916, 18528), (15904, 16212)]