257501664

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 216

約数和(自身を含む): 867183408

約数和(自身を除く): 609681744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 71, 72, 84, 96, 98, 112, 126, 142, 144, 147, 168, 196, 213, 224, 252, 257, 284, 288, 294, 336, 392, 426, 441, 497, 504, 514, 568, 588, 639, 672, 771, 784, 852, 882, 994, 1008, 1028, 1136, 1176, 1278, 1491, 1542, 1568, 1704, 1764, 1799, 1988, 2016, 2056, 2272, 2313, 2352, 2556, 2982, 3084, 3408, 3479, 3528, 3598, 3976, 4112, 4473, 4626, 4704, 5112, 5397, 5964, 6168, 6816, 6958, 7056, 7196, 7952, 8224, 8946, 9252, 10224, 10437, 10794, 11928, 12336, 12593, 13916, 14112, 14392, 15904, 16191, 17892, 18247, 18504, 20448, 20874, 21588, 23856, 24672, 25186, 27832, 28784, 31311, 32382, 35784, 36494, 37008, 37779, 41748, 43176, 47712, 50372, 54741, 55664, 57568, 62622, 64764, 71568, 72988, 74016, 75558, 83496, 86352, 100744, 109482, 111328, 113337, 125244, 127729, 129528, 143136, 145976, 151116, 164223, 166992, 172704, 201488, 218964, 226674, 250488, 255458, 259056, 291952, 302232, 328446, 333984, 383187, 402976, 437928, 453348, 500976, 510916, 518112, 583904, 604464, 656892, 766374, 875856, 894103, 906696, 1001952, 1021832, 1149561, 1208928, 1313784, 1532748, 1751712, 1788206, 1813392, 2043664, 2299122, 2627568, 2682309, 3065496, 3576412, 3626784, 4087328, 4598244, 5255136, 5364618, 6130992, 7152824, 8046927, 9196488, 10729236, 12261984, 14305648, 16093854, 18392976, 21458472, 28611296, 32187708, 36785952, 42916944, 64375416, 85833888, 128750832, 257501664]

約数ペア:

[(1, 257501664), (2, 128750832), (3, 85833888), (4, 64375416), (6, 42916944), (7, 36785952), (8, 32187708), (9, 28611296), (12, 21458472), (14, 18392976), (16, 16093854), (18, 14305648), (21, 12261984), (24, 10729236), (28, 9196488), (32, 8046927), (36, 7152824), (42, 6130992), (48, 5364618), (49, 5255136), (56, 4598244), (63, 4087328), (71, 3626784), (72, 3576412), (84, 3065496), (96, 2682309), (98, 2627568), (112, 2299122), (126, 2043664), (142, 1813392), (144, 1788206), (147, 1751712), (168, 1532748), (196, 1313784), (213, 1208928), (224, 1149561), (252, 1021832), (257, 1001952), (284, 906696), (288, 894103), (294, 875856), (336, 766374), (392, 656892), (426, 604464), (441, 583904), (497, 518112), (504, 510916), (514, 500976), (568, 453348), (588, 437928), (639, 402976), (672, 383187), (771, 333984), (784, 328446), (852, 302232), (882, 291952), (994, 259056), (1008, 255458), (1028, 250488), (1136, 226674), (1176, 218964), (1278, 201488), (1491, 172704), (1542, 166992), (1568, 164223), (1704, 151116), (1764, 145976), (1799, 143136), (1988, 129528), (2016, 127729), (2056, 125244), (2272, 113337), (2313, 111328), (2352, 109482), (2556, 100744), (2982, 86352), (3084, 83496), (3408, 75558), (3479, 74016), (3528, 72988), (3598, 71568), (3976, 64764), (4112, 62622), (4473, 57568), (4626, 55664), (4704, 54741), (5112, 50372), (5397, 47712), (5964, 43176), (6168, 41748), (6816, 37779), (6958, 37008), (7056, 36494), (7196, 35784), (7952, 32382), (8224, 31311), (8946, 28784), (9252, 27832), (10224, 25186), (10437, 24672), (10794, 23856), (11928, 21588), (12336, 20874), (12593, 20448), (13916, 18504), (14112, 18247), (14392, 17892), (15904, 16191)]