389287808

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 128

約数和(自身を含む): 1005312000

約数和(自身を除く): 616024192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1456, 1664, 1729, 1759, 1976, 2128, 2432, 2912, 3458, 3518, 3952, 4256, 5824, 6916, 7036, 7904, 8512, 11648, 12313, 13832, 14072, 15808, 17024, 22867, 24626, 27664, 28144, 31616, 33421, 45734, 49252, 55328, 56288, 66842, 91468, 98504, 110656, 112576, 133684, 160069, 182936, 197008, 221312, 225152, 233947, 267368, 320138, 365872, 394016, 434473, 467894, 534736, 640276, 731744, 788032, 868946, 935788, 1069472, 1280552, 1463488, 1576064, 1737892, 1871576, 2138944, 2561104, 2926976, 3041311, 3475784, 3743152, 4277888, 5122208, 6082622, 6951568, 7486304, 10244416, 12165244, 13903136, 14972608, 20488832, 24330488, 27806272, 29945216, 48660976, 55612544, 97321952, 194643904, 389287808]

約数ペア:

[(1, 389287808), (2, 194643904), (4, 97321952), (7, 55612544), (8, 48660976), (13, 29945216), (14, 27806272), (16, 24330488), (19, 20488832), (26, 14972608), (28, 13903136), (32, 12165244), (38, 10244416), (52, 7486304), (56, 6951568), (64, 6082622), (76, 5122208), (91, 4277888), (104, 3743152), (112, 3475784), (128, 3041311), (133, 2926976), (152, 2561104), (182, 2138944), (208, 1871576), (224, 1737892), (247, 1576064), (266, 1463488), (304, 1280552), (364, 1069472), (416, 935788), (448, 868946), (494, 788032), (532, 731744), (608, 640276), (728, 534736), (832, 467894), (896, 434473), (988, 394016), (1064, 365872), (1216, 320138), (1456, 267368), (1664, 233947), (1729, 225152), (1759, 221312), (1976, 197008), (2128, 182936), (2432, 160069), (2912, 133684), (3458, 112576), (3518, 110656), (3952, 98504), (4256, 91468), (5824, 66842), (6916, 56288), (7036, 55328), (7904, 49252), (8512, 45734), (11648, 33421), (12313, 31616), (13832, 28144), (14072, 27664), (15808, 24626), (17024, 22867)]