138049289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{1523}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 165030912

約数和(自身を除く): 26981623

約数列:

[1, 7, 23, 161, 563, 1523, 3941, 10661, 12949, 35029, 90643, 245203, 857449, 6002143, 19721327, 138049289]

約数ペア:

[(1, 138049289), (7, 19721327), (23, 6002143), (161, 857449), (563, 245203), (1523, 90643), (3941, 35029), (10661, 12949)]