220788921311

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1\times {\mathrm{573509}}^1$

素因数の和:574838

約数の個数: 16

約数和(自身を含む): 258400665600

約数和(自身を除く): 37611744289

約数列:

[1, 7, 43, 301, 1279, 8953, 54997, 384979, 573509, 4014563, 24660887, 172626209, 733518011, 5134626077, 31541274473, 220788921311]

約数ペア:

[(1, 220788921311), (7, 31541274473), (43, 5134626077), (301, 733518011), (1279, 172626209), (8953, 24660887), (54997, 4014563), (384979, 573509)]