2178804992

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 216

約数和(自身を含む): 5637123072

約数和(自身を除く): 3458318080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 91, 98, 104, 112, 124, 128, 182, 196, 208, 217, 224, 248, 256, 364, 392, 403, 416, 431, 434, 448, 496, 637, 728, 784, 806, 832, 862, 868, 896, 992, 1274, 1456, 1519, 1568, 1612, 1664, 1724, 1736, 1792, 1984, 2548, 2821, 2912, 3017, 3038, 3136, 3224, 3328, 3448, 3472, 3968, 5096, 5603, 5642, 5824, 6034, 6076, 6272, 6448, 6896, 6944, 7936, 10192, 11206, 11284, 11648, 12068, 12152, 12544, 12896, 13361, 13792, 13888, 19747, 20384, 21119, 22412, 22568, 23296, 24136, 24304, 25792, 26722, 27584, 27776, 39221, 39494, 40768, 42238, 44824, 45136, 48272, 48608, 51584, 53444, 55168, 55552, 78442, 78988, 81536, 84476, 89648, 90272, 93527, 96544, 97216, 103168, 106888, 110336, 156884, 157976, 163072, 168952, 173693, 179296, 180544, 187054, 193088, 194432, 213776, 274547, 313768, 315952, 337904, 347386, 358592, 361088, 374108, 386176, 388864, 427552, 549094, 627536, 631904, 654689, 675808, 694772, 717184, 722176, 748216, 772352, 855104, 1098188, 1215851, 1255072, 1263808, 1309378, 1351616, 1389544, 1434368, 1496432, 1710208, 2196376, 2431702, 2510144, 2527616, 2618756, 2703232, 2779088, 2992864, 3420416, 4392752, 4863404, 5020288, 5055232, 5237512, 5406464, 5558176, 5985728, 8510957, 8785504, 9726808, 10040576, 10475024, 11116352, 11971456, 17021914, 17571008, 19453616, 20950048, 22232704, 23942912, 34043828, 35142016, 38907232, 41900096, 44465408, 68087656, 70284032, 77814464, 83800192, 136175312, 155628928, 167600384, 272350624, 311257856, 544701248, 1089402496, 2178804992]

約数ペア:

[(1, 2178804992), (2, 1089402496), (4, 544701248), (7, 311257856), (8, 272350624), (13, 167600384), (14, 155628928), (16, 136175312), (26, 83800192), (28, 77814464), (31, 70284032), (32, 68087656), (49, 44465408), (52, 41900096), (56, 38907232), (62, 35142016), (64, 34043828), (91, 23942912), (98, 22232704), (104, 20950048), (112, 19453616), (124, 17571008), (128, 17021914), (182, 11971456), (196, 11116352), (208, 10475024), (217, 10040576), (224, 9726808), (248, 8785504), (256, 8510957), (364, 5985728), (392, 5558176), (403, 5406464), (416, 5237512), (431, 5055232), (434, 5020288), (448, 4863404), (496, 4392752), (637, 3420416), (728, 2992864), (784, 2779088), (806, 2703232), (832, 2618756), (862, 2527616), (868, 2510144), (896, 2431702), (992, 2196376), (1274, 1710208), (1456, 1496432), (1519, 1434368), (1568, 1389544), (1612, 1351616), (1664, 1309378), (1724, 1263808), (1736, 1255072), (1792, 1215851), (1984, 1098188), (2548, 855104), (2821, 772352), (2912, 748216), (3017, 722176), (3038, 717184), (3136, 694772), (3224, 675808), (3328, 654689), (3448, 631904), (3472, 627536), (3968, 549094), (5096, 427552), (5603, 388864), (5642, 386176), (5824, 374108), (6034, 361088), (6076, 358592), (6272, 347386), (6448, 337904), (6896, 315952), (6944, 313768), (7936, 274547), (10192, 213776), (11206, 194432), (11284, 193088), (11648, 187054), (12068, 180544), (12152, 179296), (12544, 173693), (12896, 168952), (13361, 163072), (13792, 157976), (13888, 156884), (19747, 110336), (20384, 106888), (21119, 103168), (22412, 97216), (22568, 96544), (23296, 93527), (24136, 90272), (24304, 89648), (25792, 84476), (26722, 81536), (27584, 78988), (27776, 78442), (39221, 55552), (39494, 55168), (40768, 53444), (42238, 51584), (44824, 48608), (45136, 48272)]