81817792

素因数分解:

$2^6\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1009}}^1$

素因数の和:1209

約数の個数: 56

約数和(自身を含む): 186761120

約数和(自身を除く): 104943328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 181, 224, 362, 448, 724, 1009, 1267, 1448, 2018, 2534, 2896, 4036, 5068, 5792, 7063, 8072, 10136, 11584, 14126, 16144, 20272, 28252, 32288, 40544, 56504, 64576, 81088, 113008, 182629, 226016, 365258, 452032, 730516, 1278403, 1461032, 2556806, 2922064, 5113612, 5844128, 10227224, 11688256, 20454448, 40908896, 81817792]

約数ペア:

[(1, 81817792), (2, 40908896), (4, 20454448), (7, 11688256), (8, 10227224), (14, 5844128), (16, 5113612), (28, 2922064), (32, 2556806), (56, 1461032), (64, 1278403), (112, 730516), (181, 452032), (224, 365258), (362, 226016), (448, 182629), (724, 113008), (1009, 81088), (1267, 64576), (1448, 56504), (2018, 40544), (2534, 32288), (2896, 28252), (4036, 20272), (5068, 16144), (5792, 14126), (7063, 11584), (8072, 10136)]