28788355

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 35580384

約数和(自身を除く): 6792029

約数列:

[1, 5, 41, 205, 317, 443, 1585, 2215, 12997, 18163, 64985, 90815, 140431, 702155, 5757671, 28788355]

約数ペア:

[(1, 28788355), (5, 5757671), (41, 702155), (205, 140431), (317, 90815), (443, 64985), (1585, 18163), (2215, 12997)]