8989918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27919}}^1$

素因数の和:27951

約数の個数: 16

約数和(自身を含む): 16081920

約数和(自身を除く): 7092002

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 27919, 55838, 195433, 390866, 642137, 1284274, 4494959, 8989918]

約数ペア:

[(1, 8989918), (2, 4494959), (7, 1284274), (14, 642137), (23, 390866), (46, 195433), (161, 55838), (322, 27919)]