643387392

素因数分解:

$2^{12}\times 3^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 156

約数和(自身を含む): 1921805184

約数和(自身を除く): 1278417792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 563, 576, 744, 768, 992, 1024, 1116, 1126, 1152, 1488, 1536, 1689, 1984, 2048, 2232, 2252, 2304, 2976, 3072, 3378, 3968, 4096, 4464, 4504, 4608, 5067, 5952, 6144, 6756, 7936, 8928, 9008, 9216, 10134, 11904, 12288, 13512, 15872, 17453, 17856, 18016, 18432, 20268, 23808, 27024, 31744, 34906, 35712, 36032, 36864, 40536, 47616, 52359, 54048, 63488, 69812, 71424, 72064, 81072, 95232, 104718, 108096, 126976, 139624, 142848, 144128, 157077, 162144, 190464, 209436, 216192, 279248, 285696, 288256, 314154, 324288, 380928, 418872, 432384, 558496, 571392, 576512, 628308, 648576, 837744, 864768, 1116992, 1142784, 1153024, 1256616, 1297152, 1675488, 1729536, 2233984, 2306048, 2513232, 2594304, 3350976, 3459072, 4467968, 5026464, 5188608, 6701952, 6918144, 8935936, 10052928, 10377216, 13403904, 17871872, 20105856, 20754432, 26807808, 35743744, 40211712, 53615616, 71487488, 80423424, 107231232, 160846848, 214462464, 321693696, 643387392]

約数ペア:

[(1, 643387392), (2, 321693696), (3, 214462464), (4, 160846848), (6, 107231232), (8, 80423424), (9, 71487488), (12, 53615616), (16, 40211712), (18, 35743744), (24, 26807808), (31, 20754432), (32, 20105856), (36, 17871872), (48, 13403904), (62, 10377216), (64, 10052928), (72, 8935936), (93, 6918144), (96, 6701952), (124, 5188608), (128, 5026464), (144, 4467968), (186, 3459072), (192, 3350976), (248, 2594304), (256, 2513232), (279, 2306048), (288, 2233984), (372, 1729536), (384, 1675488), (496, 1297152), (512, 1256616), (558, 1153024), (563, 1142784), (576, 1116992), (744, 864768), (768, 837744), (992, 648576), (1024, 628308), (1116, 576512), (1126, 571392), (1152, 558496), (1488, 432384), (1536, 418872), (1689, 380928), (1984, 324288), (2048, 314154), (2232, 288256), (2252, 285696), (2304, 279248), (2976, 216192), (3072, 209436), (3378, 190464), (3968, 162144), (4096, 157077), (4464, 144128), (4504, 142848), (4608, 139624), (5067, 126976), (5952, 108096), (6144, 104718), (6756, 95232), (7936, 81072), (8928, 72064), (9008, 71424), (9216, 69812), (10134, 63488), (11904, 54048), (12288, 52359), (13512, 47616), (15872, 40536), (17453, 36864), (17856, 36032), (18016, 35712), (18432, 34906), (20268, 31744), (23808, 27024)]