681253664

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1815

約数の個数: 144

約数和(自身を含む): 1769644800

約数和(自身を除く): 1088391136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 494, 532, 608, 637, 728, 784, 931, 988, 1064, 1274, 1456, 1568, 1729, 1759, 1862, 1976, 2128, 2548, 2912, 3458, 3518, 3724, 3952, 4256, 5096, 6916, 7036, 7448, 7904, 10192, 12103, 12313, 13832, 14072, 14896, 20384, 22867, 24206, 24626, 27664, 28144, 29792, 33421, 45734, 48412, 49252, 55328, 56288, 66842, 86191, 91468, 96824, 98504, 133684, 160069, 172382, 182936, 193648, 197008, 233947, 267368, 320138, 344764, 365872, 387296, 394016, 434473, 467894, 534736, 640276, 689528, 731744, 868946, 935788, 1069472, 1120483, 1280552, 1379056, 1637629, 1737892, 1871576, 2240966, 2561104, 2758112, 3041311, 3275258, 3475784, 3743152, 4481932, 5122208, 6082622, 6550516, 6951568, 7486304, 8963864, 12165244, 13101032, 13903136, 17927728, 21289177, 24330488, 26202064, 35855456, 42578354, 48660976, 52404128, 85156708, 97321952, 170313416, 340626832, 681253664]

約数ペア:

[(1, 681253664), (2, 340626832), (4, 170313416), (7, 97321952), (8, 85156708), (13, 52404128), (14, 48660976), (16, 42578354), (19, 35855456), (26, 26202064), (28, 24330488), (32, 21289177), (38, 17927728), (49, 13903136), (52, 13101032), (56, 12165244), (76, 8963864), (91, 7486304), (98, 6951568), (104, 6550516), (112, 6082622), (133, 5122208), (152, 4481932), (182, 3743152), (196, 3475784), (208, 3275258), (224, 3041311), (247, 2758112), (266, 2561104), (304, 2240966), (364, 1871576), (392, 1737892), (416, 1637629), (494, 1379056), (532, 1280552), (608, 1120483), (637, 1069472), (728, 935788), (784, 868946), (931, 731744), (988, 689528), (1064, 640276), (1274, 534736), (1456, 467894), (1568, 434473), (1729, 394016), (1759, 387296), (1862, 365872), (1976, 344764), (2128, 320138), (2548, 267368), (2912, 233947), (3458, 197008), (3518, 193648), (3724, 182936), (3952, 172382), (4256, 160069), (5096, 133684), (6916, 98504), (7036, 96824), (7448, 91468), (7904, 86191), (10192, 66842), (12103, 56288), (12313, 55328), (13832, 49252), (14072, 48412), (14896, 45734), (20384, 33421), (22867, 29792), (24206, 28144), (24626, 27664)]