16638589

素因数分解:

${\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:912

約数の個数: 12

約数和(自身を含む): 18407200

約数和(自身を除く): 1768611

約数列:

[1, 11, 121, 199, 691, 2189, 7601, 24079, 83611, 137509, 1512599, 16638589]

約数ペア:

[(1, 16638589), (11, 1512599), (121, 137509), (199, 83611), (691, 24079), (2189, 7601)]