664889496

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 1828224000

約数和(自身を除く): 1163334504

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 137, 152, 174, 228, 232, 274, 348, 367, 411, 456, 548, 551, 696, 734, 822, 1096, 1101, 1102, 1468, 1644, 1653, 2202, 2204, 2603, 2936, 3288, 3306, 3973, 4404, 4408, 5206, 6612, 6973, 7809, 7946, 8808, 10412, 10643, 11919, 13224, 13946, 15618, 15892, 20824, 20919, 21286, 23838, 27892, 31236, 31784, 31929, 41838, 42572, 47676, 50279, 55784, 62472, 63858, 75487, 83676, 85144, 95352, 100558, 127716, 150837, 150974, 167352, 201116, 202217, 226461, 255432, 301674, 301948, 402232, 404434, 452922, 603348, 603896, 606651, 808868, 905844, 955301, 1206696, 1213302, 1458091, 1617736, 1811688, 1910602, 2426604, 2865903, 2916182, 3821204, 4374273, 4853208, 5731806, 5832364, 7642408, 8748546, 11463612, 11664728, 17497092, 22927224, 27703729, 34994184, 55407458, 83111187, 110814916, 166222374, 221629832, 332444748, 664889496]

約数ペア:

[(1, 664889496), (2, 332444748), (3, 221629832), (4, 166222374), (6, 110814916), (8, 83111187), (12, 55407458), (19, 34994184), (24, 27703729), (29, 22927224), (38, 17497092), (57, 11664728), (58, 11463612), (76, 8748546), (87, 7642408), (114, 5832364), (116, 5731806), (137, 4853208), (152, 4374273), (174, 3821204), (228, 2916182), (232, 2865903), (274, 2426604), (348, 1910602), (367, 1811688), (411, 1617736), (456, 1458091), (548, 1213302), (551, 1206696), (696, 955301), (734, 905844), (822, 808868), (1096, 606651), (1101, 603896), (1102, 603348), (1468, 452922), (1644, 404434), (1653, 402232), (2202, 301948), (2204, 301674), (2603, 255432), (2936, 226461), (3288, 202217), (3306, 201116), (3973, 167352), (4404, 150974), (4408, 150837), (5206, 127716), (6612, 100558), (6973, 95352), (7809, 85144), (7946, 83676), (8808, 75487), (10412, 63858), (10643, 62472), (11919, 55784), (13224, 50279), (13946, 47676), (15618, 42572), (15892, 41838), (20824, 31929), (20919, 31784), (21286, 31236), (23838, 27892)]