81265352

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 179162880

約数和(自身を除く): 97897528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 103, 146, 193, 206, 292, 386, 412, 511, 584, 721, 772, 824, 1022, 1351, 1442, 1544, 2044, 2702, 2884, 4088, 5404, 5768, 7519, 10808, 14089, 15038, 19879, 28178, 30076, 39758, 52633, 56356, 60152, 79516, 98623, 105266, 112712, 139153, 159032, 197246, 210532, 278306, 394492, 421064, 556612, 788984, 1113224, 1451167, 2902334, 5804668, 10158169, 11609336, 20316338, 40632676, 81265352]

約数ペア:

[(1, 81265352), (2, 40632676), (4, 20316338), (7, 11609336), (8, 10158169), (14, 5804668), (28, 2902334), (56, 1451167), (73, 1113224), (103, 788984), (146, 556612), (193, 421064), (206, 394492), (292, 278306), (386, 210532), (412, 197246), (511, 159032), (584, 139153), (721, 112712), (772, 105266), (824, 98623), (1022, 79516), (1351, 60152), (1442, 56356), (1544, 52633), (2044, 39758), (2702, 30076), (2884, 28178), (4088, 19879), (5404, 15038), (5768, 14089), (7519, 10808)]