139379968

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 355296256

約数和(自身を除く): 215916288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 193, 208, 217, 224, 248, 256, 364, 386, 403, 416, 434, 448, 496, 728, 772, 806, 832, 868, 896, 992, 1351, 1456, 1544, 1612, 1664, 1736, 1792, 1984, 2509, 2702, 2821, 2912, 3088, 3224, 3328, 3472, 3968, 5018, 5404, 5642, 5824, 5983, 6176, 6448, 6944, 7936, 10036, 10808, 11284, 11648, 11966, 12352, 12896, 13888, 17563, 20072, 21616, 22568, 23296, 23932, 24704, 25792, 27776, 35126, 40144, 41881, 43232, 45136, 47864, 49408, 51584, 55552, 70252, 77779, 80288, 83762, 86464, 90272, 95728, 103168, 140504, 155558, 160576, 167524, 172928, 180544, 191456, 281008, 311116, 321152, 335048, 345856, 361088, 382912, 544453, 562016, 622232, 642304, 670096, 722176, 765824, 1088906, 1124032, 1244464, 1340192, 1531648, 2177812, 2248064, 2488928, 2680384, 4355624, 4496128, 4977856, 5360768, 8711248, 9955712, 10721536, 17422496, 19911424, 34844992, 69689984, 139379968]

約数ペア:

[(1, 139379968), (2, 69689984), (4, 34844992), (7, 19911424), (8, 17422496), (13, 10721536), (14, 9955712), (16, 8711248), (26, 5360768), (28, 4977856), (31, 4496128), (32, 4355624), (52, 2680384), (56, 2488928), (62, 2248064), (64, 2177812), (91, 1531648), (104, 1340192), (112, 1244464), (124, 1124032), (128, 1088906), (182, 765824), (193, 722176), (208, 670096), (217, 642304), (224, 622232), (248, 562016), (256, 544453), (364, 382912), (386, 361088), (403, 345856), (416, 335048), (434, 321152), (448, 311116), (496, 281008), (728, 191456), (772, 180544), (806, 172928), (832, 167524), (868, 160576), (896, 155558), (992, 140504), (1351, 103168), (1456, 95728), (1544, 90272), (1612, 86464), (1664, 83762), (1736, 80288), (1792, 77779), (1984, 70252), (2509, 55552), (2702, 51584), (2821, 49408), (2912, 47864), (3088, 45136), (3224, 43232), (3328, 41881), (3472, 40144), (3968, 35126), (5018, 27776), (5404, 25792), (5642, 24704), (5824, 23932), (5983, 23296), (6176, 22568), (6448, 21616), (6944, 20072), (7936, 17563), (10036, 13888), (10808, 12896), (11284, 12352), (11648, 11966)]