81285566

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{1279}}^1$

素因数の和:2063

約数の個数: 16

約数和(自身を含む): 125030400

約数和(自身を除く): 43744834

約数列:

[1, 2, 43, 86, 739, 1279, 1478, 2558, 31777, 54997, 63554, 109994, 945181, 1890362, 40642783, 81285566]

約数ペア:

[(1, 81285566), (2, 40642783), (43, 1890362), (86, 945181), (739, 109994), (1279, 63554), (1478, 54997), (2558, 31777)]