81664568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5051}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 160047360

約数和(自身を除く): 78382792

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 2021, 4042, 5051, 8084, 10102, 16168, 20204, 40408, 217193, 237397, 434386, 474794, 868772, 949588, 1737544, 1899176, 10208071, 20416142, 40832284, 81664568]

約数ペア:

[(1, 81664568), (2, 40832284), (4, 20416142), (8, 10208071), (43, 1899176), (47, 1737544), (86, 949588), (94, 868772), (172, 474794), (188, 434386), (344, 237397), (376, 217193), (2021, 40408), (4042, 20204), (5051, 16168), (8084, 10102)]