1990815844

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{62897}}^1$

素因数の和:63135

約数の個数: 24

約数和(自身を含む): 3587450328

約数和(自身を除く): 1596634484

約数列:

[1, 2, 4, 41, 82, 164, 193, 386, 772, 7913, 15826, 31652, 62897, 125794, 251588, 2578777, 5157554, 10315108, 12139121, 24278242, 48556484, 497703961, 995407922, 1990815844]

約数ペア:

[(1, 1990815844), (2, 995407922), (4, 497703961), (41, 48556484), (82, 24278242), (164, 12139121), (193, 10315108), (386, 5157554), (772, 2578777), (7913, 251588), (15826, 125794), (31652, 62897)]