27880205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 34461504

約数和(自身を除く): 6581299

約数列:

[1, 5, 41, 205, 307, 443, 1535, 2215, 12587, 18163, 62935, 90815, 136001, 680005, 5576041, 27880205]

約数ペア:

[(1, 27880205), (5, 5576041), (41, 680005), (205, 136001), (307, 90815), (443, 62935), (1535, 18163), (2215, 12587)]