278759936

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 160

約数和(自身を含む): 711287808

約数和(自身を除く): 432527872

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, 512, 728, 772, 806, 832, 868, 896, 992, 1351, 1456, 1544, 1612, 1664, 1736, 1792, 1984, 2509, 2702, 2821, 2912, 3088, 3224, 3328, 3472, 3584, 3968, 5018, 5404, 5642, 5824, 5983, 6176, 6448, 6656, 6944, 7936, 10036, 10808, 11284, 11648, 11966, 12352, 12896, 13888, 15872, 17563, 20072, 21616, 22568, 23296, 23932, 24704, 25792, 27776, 35126, 40144, 41881, 43232, 45136, 46592, 47864, 49408, 51584, 55552, 70252, 77779, 80288, 83762, 86464, 90272, 95728, 98816, 103168, 111104, 140504, 155558, 160576, 167524, 172928, 180544, 191456, 206336, 281008, 311116, 321152, 335048, 345856, 361088, 382912, 544453, 562016, 622232, 642304, 670096, 691712, 722176, 765824, 1088906, 1124032, 1244464, 1284608, 1340192, 1444352, 1531648, 2177812, 2248064, 2488928, 2680384, 3063296, 4355624, 4496128, 4977856, 5360768, 8711248, 8992256, 9955712, 10721536, 17422496, 19911424, 21443072, 34844992, 39822848, 69689984, 139379968, 278759936]

約数ペア:

[(1, 278759936), (2, 139379968), (4, 69689984), (7, 39822848), (8, 34844992), (13, 21443072), (14, 19911424), (16, 17422496), (26, 10721536), (28, 9955712), (31, 8992256), (32, 8711248), (52, 5360768), (56, 4977856), (62, 4496128), (64, 4355624), (91, 3063296), (104, 2680384), (112, 2488928), (124, 2248064), (128, 2177812), (182, 1531648), (193, 1444352), (208, 1340192), (217, 1284608), (224, 1244464), (248, 1124032), (256, 1088906), (364, 765824), (386, 722176), (403, 691712), (416, 670096), (434, 642304), (448, 622232), (496, 562016), (512, 544453), (728, 382912), (772, 361088), (806, 345856), (832, 335048), (868, 321152), (896, 311116), (992, 281008), (1351, 206336), (1456, 191456), (1544, 180544), (1612, 172928), (1664, 167524), (1736, 160576), (1792, 155558), (1984, 140504), (2509, 111104), (2702, 103168), (2821, 98816), (2912, 95728), (3088, 90272), (3224, 86464), (3328, 83762), (3472, 80288), (3584, 77779), (3968, 70252), (5018, 55552), (5404, 51584), (5642, 49408), (5824, 47864), (5983, 46592), (6176, 45136), (6448, 43232), (6656, 41881), (6944, 40144), (7936, 35126), (10036, 27776), (10808, 25792), (11284, 24704), (11648, 23932), (11966, 23296), (12352, 22568), (12896, 21616), (13888, 20072), (15872, 17563)]