206705408

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 535691520

約数和(自身を除く): 328986112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 304, 364, 416, 448, 467, 494, 532, 608, 728, 832, 896, 934, 988, 1064, 1216, 1456, 1664, 1729, 1792, 1868, 1976, 2128, 2432, 2912, 3269, 3328, 3458, 3736, 3952, 4256, 4864, 5824, 6071, 6538, 6916, 7472, 7904, 8512, 8873, 11648, 12142, 13076, 13832, 14944, 15808, 17024, 17746, 23296, 24284, 26152, 27664, 29888, 31616, 34048, 35492, 42497, 48568, 52304, 55328, 59776, 62111, 63232, 70984, 84994, 97136, 104608, 110656, 115349, 119552, 124222, 141968, 169988, 194272, 209216, 221312, 230698, 248444, 283936, 339976, 388544, 418432, 442624, 461396, 496888, 567872, 679952, 777088, 807443, 836864, 922792, 993776, 1135744, 1359904, 1554176, 1614886, 1845584, 1987552, 2271488, 2719808, 3229772, 3691168, 3975104, 5439616, 6459544, 7382336, 7950208, 10879232, 12919088, 14764672, 15900416, 25838176, 29529344, 51676352, 103352704, 206705408]

約数ペア:

[(1, 206705408), (2, 103352704), (4, 51676352), (7, 29529344), (8, 25838176), (13, 15900416), (14, 14764672), (16, 12919088), (19, 10879232), (26, 7950208), (28, 7382336), (32, 6459544), (38, 5439616), (52, 3975104), (56, 3691168), (64, 3229772), (76, 2719808), (91, 2271488), (104, 1987552), (112, 1845584), (128, 1614886), (133, 1554176), (152, 1359904), (182, 1135744), (208, 993776), (224, 922792), (247, 836864), (256, 807443), (266, 777088), (304, 679952), (364, 567872), (416, 496888), (448, 461396), (467, 442624), (494, 418432), (532, 388544), (608, 339976), (728, 283936), (832, 248444), (896, 230698), (934, 221312), (988, 209216), (1064, 194272), (1216, 169988), (1456, 141968), (1664, 124222), (1729, 119552), (1792, 115349), (1868, 110656), (1976, 104608), (2128, 97136), (2432, 84994), (2912, 70984), (3269, 63232), (3328, 62111), (3458, 59776), (3736, 55328), (3952, 52304), (4256, 48568), (4864, 42497), (5824, 35492), (6071, 34048), (6538, 31616), (6916, 29888), (7472, 27664), (7904, 26152), (8512, 24284), (8873, 23296), (11648, 17746), (12142, 17024), (13076, 15808), (13832, 14944)]