81020885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{8821}}^1$

素因数の和:9004

約数の個数: 16

約数和(自身を含む): 106710912

約数和(自身を除く): 25690027

約数列:

[1, 5, 11, 55, 167, 835, 1837, 8821, 9185, 44105, 97031, 485155, 1473107, 7365535, 16204177, 81020885]

約数ペア:

[(1, 81020885), (5, 16204177), (11, 7365535), (55, 1473107), (167, 485155), (835, 97031), (1837, 44105), (8821, 9185)]