80821252

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{469891}}^1$

素因数の和:469938

約数の個数: 12

約数和(自身を含む): 144726736

約数和(自身を除く): 63905484

約数列:

[1, 2, 4, 43, 86, 172, 469891, 939782, 1879564, 20205313, 40410626, 80821252]

約数ペア:

[(1, 80821252), (2, 40410626), (4, 20205313), (43, 1879564), (86, 939782), (172, 469891)]