891561984

素因数分解:

$2^{11}\times 3^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 2472331680

約数和(自身を除く): 1580769696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 151, 186, 192, 248, 256, 302, 372, 384, 453, 496, 512, 604, 744, 768, 906, 961, 992, 1024, 1208, 1488, 1536, 1812, 1922, 1984, 2048, 2416, 2883, 2976, 3072, 3624, 3844, 3968, 4681, 4832, 5766, 5952, 6144, 7248, 7688, 7936, 9362, 9664, 11532, 11904, 14043, 14496, 15376, 15872, 18724, 19328, 23064, 23808, 28086, 28992, 30752, 31744, 37448, 38656, 46128, 47616, 56172, 57984, 61504, 63488, 74896, 77312, 92256, 95232, 112344, 115968, 123008, 145111, 149792, 154624, 184512, 190464, 224688, 231936, 246016, 290222, 299584, 309248, 369024, 435333, 449376, 463872, 492032, 580444, 599168, 738048, 870666, 898752, 927744, 984064, 1160888, 1198336, 1476096, 1741332, 1797504, 1968128, 2321776, 2396672, 2952192, 3482664, 3595008, 4643552, 4793344, 5904384, 6965328, 7190016, 9287104, 9586688, 13930656, 14380032, 18574208, 27861312, 28760064, 37148416, 55722624, 74296832, 111445248, 148593664, 222890496, 297187328, 445780992, 891561984]

約数ペア:

[(1, 891561984), (2, 445780992), (3, 297187328), (4, 222890496), (6, 148593664), (8, 111445248), (12, 74296832), (16, 55722624), (24, 37148416), (31, 28760064), (32, 27861312), (48, 18574208), (62, 14380032), (64, 13930656), (93, 9586688), (96, 9287104), (124, 7190016), (128, 6965328), (151, 5904384), (186, 4793344), (192, 4643552), (248, 3595008), (256, 3482664), (302, 2952192), (372, 2396672), (384, 2321776), (453, 1968128), (496, 1797504), (512, 1741332), (604, 1476096), (744, 1198336), (768, 1160888), (906, 984064), (961, 927744), (992, 898752), (1024, 870666), (1208, 738048), (1488, 599168), (1536, 580444), (1812, 492032), (1922, 463872), (1984, 449376), (2048, 435333), (2416, 369024), (2883, 309248), (2976, 299584), (3072, 290222), (3624, 246016), (3844, 231936), (3968, 224688), (4681, 190464), (4832, 184512), (5766, 154624), (5952, 149792), (6144, 145111), (7248, 123008), (7688, 115968), (7936, 112344), (9362, 95232), (9664, 92256), (11532, 77312), (11904, 74896), (14043, 63488), (14496, 61504), (15376, 57984), (15872, 56172), (18724, 47616), (19328, 46128), (23064, 38656), (23808, 37448), (28086, 31744), (28992, 30752)]