257721408

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1625

約数の個数: 168

約数和(自身を含む): 865388160

約数和(自身を除く): 607666752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 64, 72, 82, 84, 96, 112, 123, 126, 144, 164, 168, 192, 224, 246, 252, 287, 288, 328, 336, 369, 448, 492, 504, 574, 576, 656, 672, 738, 861, 984, 1008, 1148, 1312, 1344, 1476, 1559, 1722, 1968, 2016, 2296, 2583, 2624, 2952, 3118, 3444, 3936, 4032, 4592, 4677, 5166, 5904, 6236, 6888, 7872, 9184, 9354, 10332, 10913, 11808, 12472, 13776, 14031, 18368, 18708, 20664, 21826, 23616, 24944, 27552, 28062, 32739, 37416, 41328, 43652, 49888, 55104, 56124, 63919, 65478, 74832, 82656, 87304, 98217, 99776, 112248, 127838, 130956, 149664, 165312, 174608, 191757, 196434, 224496, 255676, 261912, 299328, 349216, 383514, 392868, 447433, 448992, 511352, 523824, 575271, 698432, 767028, 785736, 894866, 897984, 1022704, 1047648, 1150542, 1342299, 1534056, 1571472, 1789732, 2045408, 2095296, 2301084, 2684598, 3068112, 3142944, 3579464, 4026897, 4090816, 4602168, 5369196, 6136224, 6285888, 7158928, 8053794, 9204336, 10738392, 12272448, 14317856, 16107588, 18408672, 21476784, 28635712, 32215176, 36817344, 42953568, 64430352, 85907136, 128860704, 257721408]

約数ペア:

[(1, 257721408), (2, 128860704), (3, 85907136), (4, 64430352), (6, 42953568), (7, 36817344), (8, 32215176), (9, 28635712), (12, 21476784), (14, 18408672), (16, 16107588), (18, 14317856), (21, 12272448), (24, 10738392), (28, 9204336), (32, 8053794), (36, 7158928), (41, 6285888), (42, 6136224), (48, 5369196), (56, 4602168), (63, 4090816), (64, 4026897), (72, 3579464), (82, 3142944), (84, 3068112), (96, 2684598), (112, 2301084), (123, 2095296), (126, 2045408), (144, 1789732), (164, 1571472), (168, 1534056), (192, 1342299), (224, 1150542), (246, 1047648), (252, 1022704), (287, 897984), (288, 894866), (328, 785736), (336, 767028), (369, 698432), (448, 575271), (492, 523824), (504, 511352), (574, 448992), (576, 447433), (656, 392868), (672, 383514), (738, 349216), (861, 299328), (984, 261912), (1008, 255676), (1148, 224496), (1312, 196434), (1344, 191757), (1476, 174608), (1559, 165312), (1722, 149664), (1968, 130956), (2016, 127838), (2296, 112248), (2583, 99776), (2624, 98217), (2952, 87304), (3118, 82656), (3444, 74832), (3936, 65478), (4032, 63919), (4592, 56124), (4677, 55104), (5166, 49888), (5904, 43652), (6236, 41328), (6888, 37416), (7872, 32739), (9184, 28062), (9354, 27552), (10332, 24944), (10913, 23616), (11808, 21826), (12472, 20664), (13776, 18708), (14031, 18368)]