81285484

素因数分解:

$2^2\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{2731}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 162783488

約数和(自身を除く): 81498004

約数列:

[1, 2, 4, 7, 14, 28, 1063, 2126, 2731, 4252, 5462, 7441, 10924, 14882, 19117, 29764, 38234, 76468, 2903053, 5806106, 11612212, 20321371, 40642742, 81285484]

約数ペア:

[(1, 81285484), (2, 40642742), (4, 20321371), (7, 11612212), (14, 5806106), (28, 2903053), (1063, 76468), (2126, 38234), (2731, 29764), (4252, 19117), (5462, 14882), (7441, 10924)]