81538688

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8273}}^1$

素因数の和:8305

約数の個数: 64

約数和(自身を含む): 202547520

約数和(自身を除く): 121008832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2464, 4928, 8273, 9856, 16546, 33092, 57911, 66184, 91003, 115822, 132368, 182006, 231644, 264736, 364012, 463288, 529472, 637021, 728024, 926576, 1058944, 1274042, 1456048, 1853152, 2548084, 2912096, 3706304, 5096168, 5824192, 7412608, 10192336, 11648384, 20384672, 40769344, 81538688]

約数ペア:

[(1, 81538688), (2, 40769344), (4, 20384672), (7, 11648384), (8, 10192336), (11, 7412608), (14, 5824192), (16, 5096168), (22, 3706304), (28, 2912096), (32, 2548084), (44, 1853152), (56, 1456048), (64, 1274042), (77, 1058944), (88, 926576), (112, 728024), (128, 637021), (154, 529472), (176, 463288), (224, 364012), (308, 264736), (352, 231644), (448, 182006), (616, 132368), (704, 115822), (896, 91003), (1232, 66184), (1408, 57911), (2464, 33092), (4928, 16546), (8273, 9856)]