81705344

素因数分解:

$2^7\times 7^3\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 64

約数和(自身を含む): 189924000

約数和(自身を除く): 108218656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 1861, 2744, 3136, 3722, 5488, 6272, 7444, 10976, 13027, 14888, 21952, 26054, 29776, 43904, 52108, 59552, 91189, 104216, 119104, 182378, 208432, 238208, 364756, 416864, 638323, 729512, 833728, 1276646, 1459024, 1667456, 2553292, 2918048, 5106584, 5836096, 10213168, 11672192, 20426336, 40852672, 81705344]

約数ペア:

[(1, 81705344), (2, 40852672), (4, 20426336), (7, 11672192), (8, 10213168), (14, 5836096), (16, 5106584), (28, 2918048), (32, 2553292), (49, 1667456), (56, 1459024), (64, 1276646), (98, 833728), (112, 729512), (128, 638323), (196, 416864), (224, 364756), (343, 238208), (392, 208432), (448, 182378), (686, 119104), (784, 104216), (896, 91189), (1372, 59552), (1568, 52108), (1861, 43904), (2744, 29776), (3136, 26054), (3722, 21952), (5488, 14888), (6272, 13027), (7444, 10976)]