11891564

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 21762048

約数和(自身を除く): 9870484

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 1471, 2021, 2942, 4042, 5884, 8084, 63253, 69137, 126506, 138274, 253012, 276548, 2972891, 5945782, 11891564]

約数ペア:

[(1, 11891564), (2, 5945782), (4, 2972891), (43, 276548), (47, 253012), (86, 138274), (94, 126506), (172, 69137), (188, 63253), (1471, 8084), (2021, 5884), (2942, 4042)]