81820144

素因数分解:

$2^4\times 7^1\times {\mathrm{730537}}^1$

素因数の和:730552

約数の個数: 20

約数和(自身を含む): 181173424

約数和(自身を除く): 99353280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 730537, 1461074, 2922148, 5113759, 5844296, 10227518, 11688592, 20455036, 40910072, 81820144]

約数ペア:

[(1, 81820144), (2, 40910072), (4, 20455036), (7, 11688592), (8, 10227518), (14, 5844296), (16, 5113759), (28, 2922148), (56, 1461074), (112, 730537)]