81764716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{2621}}^1$

素因数の和:3345

約数の個数: 24

約数和(自身を含む): 156376080

約数和(自身を除く): 74611364

約数列:

[1, 2, 4, 11, 22, 44, 709, 1418, 2621, 2836, 5242, 7799, 10484, 15598, 28831, 31196, 57662, 115324, 1858289, 3716578, 7433156, 20441179, 40882358, 81764716]

約数ペア:

[(1, 81764716), (2, 40882358), (4, 20441179), (11, 7433156), (22, 3716578), (44, 1858289), (709, 115324), (1418, 57662), (2621, 31196), (2836, 28831), (5242, 15598), (7799, 10484)]