80391338

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{19889}}^1$

素因数の和:19981

約数の個数: 16

約数和(自身を含む): 126023040

約数和(自身を除く): 45631702

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 19889, 39778, 855227, 934783, 1710454, 1869566, 40195669, 80391338]

約数ペア:

[(1, 80391338), (2, 40195669), (43, 1869566), (47, 1710454), (86, 934783), (94, 855227), (2021, 39778), (4042, 19889)]