81292204

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20887}}^1$

素因数の和:21037

約数の個数: 24

約数和(自身を含む): 163761920

約数和(自身を除く): 82469716

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20887, 41774, 83548, 146209, 292418, 584836, 2903293, 5806586, 11613172, 20323051, 40646102, 81292204]

約数ペア:

[(1, 81292204), (2, 40646102), (4, 20323051), (7, 11613172), (14, 5806586), (28, 2903293), (139, 584836), (278, 292418), (556, 146209), (973, 83548), (1946, 41774), (3892, 20887)]