858457019

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{39019}}^1$

素因数の和:39482

約数の個数: 12

約数和(自身を含む): 1000863000

約数和(自身を除く): 142405981

約数列:

[1, 7, 49, 449, 3143, 22001, 39019, 273133, 1911931, 17519531, 122636717, 858457019]

約数ペア:

[(1, 858457019), (7, 122636717), (49, 17519531), (449, 1911931), (3143, 273133), (22001, 39019)]