87984169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31189}}^1$

素因数の和:31240

約数の個数: 16

約数和(自身を含む): 111784960

約数和(自身を除く): 23800791

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 31189, 218323, 405457, 966859, 2838199, 6768013, 12569167, 87984169]

約数ペア:

[(1, 87984169), (7, 12569167), (13, 6768013), (31, 2838199), (91, 966859), (217, 405457), (403, 218323), (2821, 31189)]