1389361792

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 128

約数和(自身を含む): 3430627200

約数和(自身を除く): 2041265408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 181, 182, 208, 224, 362, 364, 416, 448, 659, 724, 728, 832, 896, 1267, 1318, 1448, 1456, 1664, 2353, 2534, 2636, 2896, 2912, 4613, 4706, 5068, 5272, 5792, 5824, 8567, 9226, 9412, 10136, 10544, 11584, 11648, 16471, 17134, 18452, 18824, 20272, 21088, 23168, 32942, 34268, 36904, 37648, 40544, 42176, 59969, 65884, 68536, 73808, 75296, 81088, 84352, 119279, 119938, 131768, 137072, 147616, 150592, 162176, 238558, 239876, 263536, 274144, 295232, 301184, 477116, 479752, 527072, 548288, 590464, 834953, 954232, 959504, 1054144, 1096576, 1550627, 1669906, 1908464, 1919008, 2108288, 3101254, 3339812, 3816928, 3838016, 6202508, 6679624, 7633856, 7676032, 10854389, 12405016, 13359248, 15267712, 21708778, 24810032, 26718496, 43417556, 49620064, 53436992, 86835112, 99240128, 106873984, 173670224, 198480256, 347340448, 694680896, 1389361792]

約数ペア:

[(1, 1389361792), (2, 694680896), (4, 347340448), (7, 198480256), (8, 173670224), (13, 106873984), (14, 99240128), (16, 86835112), (26, 53436992), (28, 49620064), (32, 43417556), (52, 26718496), (56, 24810032), (64, 21708778), (91, 15267712), (104, 13359248), (112, 12405016), (128, 10854389), (181, 7676032), (182, 7633856), (208, 6679624), (224, 6202508), (362, 3838016), (364, 3816928), (416, 3339812), (448, 3101254), (659, 2108288), (724, 1919008), (728, 1908464), (832, 1669906), (896, 1550627), (1267, 1096576), (1318, 1054144), (1448, 959504), (1456, 954232), (1664, 834953), (2353, 590464), (2534, 548288), (2636, 527072), (2896, 479752), (2912, 477116), (4613, 301184), (4706, 295232), (5068, 274144), (5272, 263536), (5792, 239876), (5824, 238558), (8567, 162176), (9226, 150592), (9412, 147616), (10136, 137072), (10544, 131768), (11584, 119938), (11648, 119279), (16471, 84352), (17134, 81088), (18452, 75296), (18824, 73808), (20272, 68536), (21088, 65884), (23168, 59969), (32942, 42176), (34268, 40544), (36904, 37648)]