28880621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2389}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 36251520

約数和(自身を除く): 7370899

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 2389, 12089, 16723, 26279, 183953, 375073, 2625511, 4125803, 28880621]

約数ペア:

[(1, 28880621), (7, 4125803), (11, 2625511), (77, 375073), (157, 183953), (1099, 26279), (1727, 16723), (2389, 12089)]