90971531

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1747}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 107061504

約数和(自身を除く): 16089973

約数列:

[1, 7, 43, 173, 301, 1211, 1747, 7439, 12229, 52073, 75121, 302231, 525847, 2115617, 12995933, 90971531]

約数ペア:

[(1, 90971531), (7, 12995933), (43, 2115617), (173, 525847), (301, 302231), (1211, 75121), (1747, 52073), (7439, 12229)]