66780478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{3967}}^1$

素因数の和:4431

約数の個数: 16

約数和(自身を含む): 105707520

約数和(自身を除く): 38927042

約数列:

[1, 2, 19, 38, 443, 886, 3967, 7934, 8417, 16834, 75373, 150746, 1757381, 3514762, 33390239, 66780478]

約数ペア:

[(1, 66780478), (2, 33390239), (19, 3514762), (38, 1757381), (443, 150746), (886, 75373), (3967, 16834), (7934, 8417)]