1990438274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{800659}}^1$

素因数の和:800785

約数の個数: 16

約数和(自身を含む): 3285908640

約数和(自身を除く): 1295470366

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 800659, 1601318, 8807249, 17614498, 90474467, 180948934, 995219137, 1990438274]

約数ペア:

[(1, 1990438274), (2, 995219137), (11, 180948934), (22, 90474467), (113, 17614498), (226, 8807249), (1243, 1601318), (2486, 800659)]