81232928

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1879}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 183818880

約数和(自身を除く): 102585952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 772, 1351, 1544, 1879, 2702, 3088, 3758, 5404, 6176, 7516, 10808, 13153, 15032, 21616, 26306, 30064, 43232, 52612, 60128, 105224, 210448, 362647, 420896, 725294, 1450588, 2538529, 2901176, 5077058, 5802352, 10154116, 11604704, 20308232, 40616464, 81232928]

約数ペア:

[(1, 81232928), (2, 40616464), (4, 20308232), (7, 11604704), (8, 10154116), (14, 5802352), (16, 5077058), (28, 2901176), (32, 2538529), (56, 1450588), (112, 725294), (193, 420896), (224, 362647), (386, 210448), (772, 105224), (1351, 60128), (1544, 52612), (1879, 43232), (2702, 30064), (3088, 26306), (3758, 21616), (5404, 15032), (6176, 13153), (7516, 10808)]