28931819

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 34053888

約数和(自身を除く): 5122069

約数列:

[1, 7, 43, 277, 301, 347, 1939, 2429, 11911, 14921, 83377, 96119, 104447, 672833, 4133117, 28931819]

約数ペア:

[(1, 28931819), (7, 4133117), (43, 672833), (277, 104447), (301, 96119), (347, 83377), (1939, 14921), (2429, 11911)]