2109463391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{115771}}^1$

素因数の和:115934

約数の個数: 16

約数和(自身を含む): 2556245760

約数和(自身を除く): 446782369

約数列:

[1, 7, 19, 133, 137, 959, 2603, 18221, 115771, 810397, 2199649, 15397543, 15860627, 111024389, 301351913, 2109463391]

約数ペア:

[(1, 2109463391), (7, 301351913), (19, 111024389), (133, 15860627), (137, 15397543), (959, 2199649), (2603, 810397), (18221, 115771)]