398051521

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{1423}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 461376000

約数和(自身を除く): 63324479

約数列:

[1, 7, 89, 449, 623, 1423, 3143, 9961, 39961, 126647, 279727, 638927, 886529, 4472489, 56864503, 398051521]

約数ペア:

[(1, 398051521), (7, 56864503), (89, 4472489), (449, 886529), (623, 638927), (1423, 279727), (3143, 126647), (9961, 39961)]