257094992

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 638042496

約数和(自身を除く): 380947504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 121, 122, 154, 176, 242, 244, 308, 311, 427, 484, 488, 616, 622, 671, 847, 854, 968, 976, 1232, 1244, 1342, 1694, 1708, 1936, 2177, 2488, 2684, 3388, 3416, 3421, 4354, 4697, 4976, 5368, 6776, 6832, 6842, 7381, 8708, 9394, 10736, 13552, 13684, 14762, 17416, 18788, 18971, 23947, 27368, 29524, 34832, 37576, 37631, 37942, 47894, 51667, 54736, 59048, 75152, 75262, 75884, 95788, 103334, 118096, 132797, 150524, 151768, 191576, 206668, 208681, 263417, 265594, 301048, 303536, 383152, 413336, 417362, 526834, 531188, 602096, 826672, 834724, 1053668, 1062376, 1460767, 1669448, 2107336, 2124752, 2295491, 2921534, 3338896, 4214672, 4590982, 5843068, 9181964, 11686136, 16068437, 18363928, 23372272, 32136874, 36727856, 64273748, 128547496, 257094992]

約数ペア:

[(1, 257094992), (2, 128547496), (4, 64273748), (7, 36727856), (8, 32136874), (11, 23372272), (14, 18363928), (16, 16068437), (22, 11686136), (28, 9181964), (44, 5843068), (56, 4590982), (61, 4214672), (77, 3338896), (88, 2921534), (112, 2295491), (121, 2124752), (122, 2107336), (154, 1669448), (176, 1460767), (242, 1062376), (244, 1053668), (308, 834724), (311, 826672), (427, 602096), (484, 531188), (488, 526834), (616, 417362), (622, 413336), (671, 383152), (847, 303536), (854, 301048), (968, 265594), (976, 263417), (1232, 208681), (1244, 206668), (1342, 191576), (1694, 151768), (1708, 150524), (1936, 132797), (2177, 118096), (2488, 103334), (2684, 95788), (3388, 75884), (3416, 75262), (3421, 75152), (4354, 59048), (4697, 54736), (4976, 51667), (5368, 47894), (6776, 37942), (6832, 37631), (6842, 37576), (7381, 34832), (8708, 29524), (9394, 27368), (10736, 23947), (13552, 18971), (13684, 18788), (14762, 17416)]