209216890736

素因数分解:

$2^4\times 7^2\times {\mathrm{389}}^1\times {\mathrm{686011}}^1$

素因数の和:686422

約数の個数: 60

約数和(自身を含む): 472751449560

約数和(自身を除く): 263534558824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 389, 392, 778, 784, 1556, 2723, 3112, 5446, 6224, 10892, 19061, 21784, 38122, 43568, 76244, 152488, 304976, 686011, 1372022, 2744044, 4802077, 5488088, 9604154, 10976176, 19208308, 33614539, 38416616, 67229078, 76833232, 134458156, 266858279, 268916312, 533716558, 537832624, 1067433116, 1868007953, 2134866232, 3736015906, 4269732464, 7472031812, 13076055671, 14944063624, 26152111342, 29888127248, 52304222684, 104608445368, 209216890736]

約数ペア:

[(1, 209216890736), (2, 104608445368), (4, 52304222684), (7, 29888127248), (8, 26152111342), (14, 14944063624), (16, 13076055671), (28, 7472031812), (49, 4269732464), (56, 3736015906), (98, 2134866232), (112, 1868007953), (196, 1067433116), (389, 537832624), (392, 533716558), (778, 268916312), (784, 266858279), (1556, 134458156), (2723, 76833232), (3112, 67229078), (5446, 38416616), (6224, 33614539), (10892, 19208308), (19061, 10976176), (21784, 9604154), (38122, 5488088), (43568, 4802077), (76244, 2744044), (152488, 1372022), (304976, 686011)]