1990538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 3282336

約数和(自身を除く): 1291798

約数列:

[1, 2, 11, 22, 173, 346, 523, 1046, 1903, 3806, 5753, 11506, 90479, 180958, 995269, 1990538]

約数ペア:

[(1, 1990538), (2, 995269), (11, 180958), (22, 90479), (173, 11506), (346, 5753), (523, 3806), (1046, 1903)]