131611648

素因数分解:

$2^{10}\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 132

約数和(自身を含む): 318300312

約数和(自身を除く): 186688664

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, 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, 15616, 16856, 18361, 19264, 20984, 22016, 23912, 25088, 27328, 31232, 33712, 36722, 38528, 41968, 44032, 47824, 50176, 54656, 62464, 67424, 73444, 77056, 83936, 95648, 109312, 128527, 134848, 146888, 154112, 167872, 191296, 218624, 257054, 269696, 293776, 308224, 335744, 382592, 437248, 514108, 539392, 587552, 671488, 765184, 1028216, 1078784, 1175104, 1342976, 1530368, 2056432, 2157568, 2350208, 2685952, 3060736, 4112864, 4700416, 8225728, 9400832, 16451456, 18801664, 32902912, 65805824, 131611648]

約数ペア:

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