388986752

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 983508480

約数和(自身を除く): 594521728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 64, 77, 88, 112, 122, 128, 154, 176, 224, 244, 308, 352, 427, 448, 488, 616, 647, 671, 704, 854, 896, 976, 1232, 1294, 1342, 1408, 1708, 1952, 2464, 2588, 2684, 3416, 3904, 4529, 4697, 4928, 5176, 5368, 6832, 7117, 7808, 9058, 9394, 9856, 10352, 10736, 13664, 14234, 18116, 18788, 20704, 21472, 27328, 28468, 36232, 37576, 39467, 41408, 42944, 49819, 54656, 56936, 72464, 75152, 78934, 82816, 85888, 99638, 113872, 144928, 150304, 157868, 199276, 227744, 276269, 289856, 300608, 315736, 398552, 434137, 455488, 552538, 579712, 601216, 631472, 797104, 868274, 910976, 1105076, 1262944, 1594208, 1736548, 2210152, 2525888, 3038959, 3188416, 3473096, 4420304, 5051776, 6077918, 6376832, 6946192, 8840608, 12155836, 13892384, 17681216, 24311672, 27784768, 35362432, 48623344, 55569536, 97246688, 194493376, 388986752]

約数ペア:

[(1, 388986752), (2, 194493376), (4, 97246688), (7, 55569536), (8, 48623344), (11, 35362432), (14, 27784768), (16, 24311672), (22, 17681216), (28, 13892384), (32, 12155836), (44, 8840608), (56, 6946192), (61, 6376832), (64, 6077918), (77, 5051776), (88, 4420304), (112, 3473096), (122, 3188416), (128, 3038959), (154, 2525888), (176, 2210152), (224, 1736548), (244, 1594208), (308, 1262944), (352, 1105076), (427, 910976), (448, 868274), (488, 797104), (616, 631472), (647, 601216), (671, 579712), (704, 552538), (854, 455488), (896, 434137), (976, 398552), (1232, 315736), (1294, 300608), (1342, 289856), (1408, 276269), (1708, 227744), (1952, 199276), (2464, 157868), (2588, 150304), (2684, 144928), (3416, 113872), (3904, 99638), (4529, 85888), (4697, 82816), (4928, 78934), (5176, 75152), (5368, 72464), (6832, 56936), (7117, 54656), (7808, 49819), (9058, 42944), (9394, 41408), (9856, 39467), (10352, 37576), (10736, 36232), (13664, 28468), (14234, 27328), (18116, 21472), (18788, 20704)]