289327619

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{3167}}^1$

素因数の和:3626

約数の個数: 16

約数和(自身を含む): 342245376

約数和(自身を除く): 52917757

約数列:

[1, 7, 31, 217, 421, 2947, 3167, 13051, 22169, 91357, 98177, 687239, 1333307, 9333149, 41332517, 289327619]

約数ペア:

[(1, 289327619), (7, 41332517), (31, 9333149), (217, 1333307), (421, 687239), (2947, 98177), (3167, 91357), (13051, 22169)]