81859456

素因数分解:

$2^7\times 7^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 188398080

約数和(自身を除く): 106538624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 412, 448, 721, 824, 887, 896, 1442, 1648, 1774, 2884, 3296, 3548, 5768, 6209, 6592, 7096, 11536, 12418, 13184, 14192, 23072, 24836, 28384, 46144, 49672, 56768, 91361, 92288, 99344, 113536, 182722, 198688, 365444, 397376, 639527, 730888, 794752, 1279054, 1461776, 2558108, 2923552, 5116216, 5847104, 10232432, 11694208, 20464864, 40929728, 81859456]

約数ペア:

[(1, 81859456), (2, 40929728), (4, 20464864), (7, 11694208), (8, 10232432), (14, 5847104), (16, 5116216), (28, 2923552), (32, 2558108), (56, 1461776), (64, 1279054), (103, 794752), (112, 730888), (128, 639527), (206, 397376), (224, 365444), (412, 198688), (448, 182722), (721, 113536), (824, 99344), (887, 92288), (896, 91361), (1442, 56768), (1648, 49672), (1774, 46144), (2884, 28384), (3296, 24836), (3548, 23072), (5768, 14192), (6209, 13184), (6592, 12418), (7096, 11536)]