1990207501798

素因数分解:

$2^1\times {\mathrm{439}}^1\times {\mathrm{2711}}^1\times {\mathrm{836131}}^1$

素因数の和:839283

約数の個数: 16

約数和(自身を含む): 2993218778880

約数和(自身を除く): 1003011277082

約数列:

[1, 2, 439, 878, 2711, 5422, 836131, 1190129, 1672262, 2380258, 367061509, 734123018, 2266751141, 4533502282, 995103750899, 1990207501798]

約数ペア:

[(1, 1990207501798), (2, 995103750899), (439, 4533502282), (878, 2266751141), (2711, 734123018), (5422, 367061509), (836131, 2380258), (1190129, 1672262)]