263223296

素因数分解:

$2^{11}\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 636756120

約数和(自身を除く): 373532824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 61, 64, 86, 98, 112, 122, 128, 172, 196, 224, 244, 256, 301, 344, 392, 427, 448, 488, 512, 602, 688, 784, 854, 896, 976, 1024, 1204, 1376, 1568, 1708, 1792, 1952, 2048, 2107, 2408, 2623, 2752, 2989, 3136, 3416, 3584, 3904, 4214, 4816, 5246, 5504, 5978, 6272, 6832, 7168, 7808, 8428, 9632, 10492, 11008, 11956, 12544, 13664, 14336, 15616, 16856, 18361, 19264, 20984, 22016, 23912, 25088, 27328, 31232, 33712, 36722, 38528, 41968, 44032, 47824, 50176, 54656, 62464, 67424, 73444, 77056, 83936, 88064, 95648, 100352, 109312, 124928, 128527, 134848, 146888, 154112, 167872, 191296, 218624, 257054, 269696, 293776, 308224, 335744, 382592, 437248, 514108, 539392, 587552, 616448, 671488, 765184, 874496, 1028216, 1078784, 1175104, 1342976, 1530368, 2056432, 2157568, 2350208, 2685952, 3060736, 4112864, 4315136, 4700416, 5371904, 6121472, 8225728, 9400832, 16451456, 18801664, 32902912, 37603328, 65805824, 131611648, 263223296]

約数ペア:

[(1, 263223296), (2, 131611648), (4, 65805824), (7, 37603328), (8, 32902912), (14, 18801664), (16, 16451456), (28, 9400832), (32, 8225728), (43, 6121472), (49, 5371904), (56, 4700416), (61, 4315136), (64, 4112864), (86, 3060736), (98, 2685952), (112, 2350208), (122, 2157568), (128, 2056432), (172, 1530368), (196, 1342976), (224, 1175104), (244, 1078784), (256, 1028216), (301, 874496), (344, 765184), (392, 671488), (427, 616448), (448, 587552), (488, 539392), (512, 514108), (602, 437248), (688, 382592), (784, 335744), (854, 308224), (896, 293776), (976, 269696), (1024, 257054), (1204, 218624), (1376, 191296), (1568, 167872), (1708, 154112), (1792, 146888), (1952, 134848), (2048, 128527), (2107, 124928), (2408, 109312), (2623, 100352), (2752, 95648), (2989, 88064), (3136, 83936), (3416, 77056), (3584, 73444), (3904, 67424), (4214, 62464), (4816, 54656), (5246, 50176), (5504, 47824), (5978, 44032), (6272, 41968), (6832, 38528), (7168, 36722), (7808, 33712), (8428, 31232), (9632, 27328), (10492, 25088), (11008, 23912), (11956, 22016), (12544, 20984), (13664, 19264), (14336, 18361), (15616, 16856)]