81901852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1879}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 152076960

約数和(自身を除く): 70175108

約数列:

[1, 2, 4, 17, 34, 68, 641, 1282, 1879, 2564, 3758, 7516, 10897, 21794, 31943, 43588, 63886, 127772, 1204439, 2408878, 4817756, 20475463, 40950926, 81901852]

約数ペア:

[(1, 81901852), (2, 40950926), (4, 20475463), (17, 4817756), (34, 2408878), (68, 1204439), (641, 127772), (1282, 63886), (1879, 43588), (2564, 31943), (3758, 21794), (7516, 10897)]