1990020982

素因数分解:

$2^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1\times {\mathrm{4441}}^1$

素因数の和:5391

約数の個数: 16

約数和(自身を含む): 2998350000

約数和(自身を除く): 1008329018

約数列:

[1, 2, 449, 499, 898, 998, 4441, 8882, 224051, 448102, 1994009, 2216059, 3988018, 4432118, 995010491, 1990020982]

約数ペア:

[(1, 1990020982), (2, 995010491), (449, 4432118), (499, 3988018), (898, 2216059), (998, 1994009), (4441, 448102), (8882, 224051)]