161691478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{8087}}^1$

素因数の和:8871

約数の個数: 16

約数和(自身を含む): 261565920

約数和(自身を除く): 99874442

約数列:

[1, 2, 13, 26, 769, 1538, 8087, 9997, 16174, 19994, 105131, 210262, 6218903, 12437806, 80845739, 161691478]

約数ペア:

[(1, 161691478), (2, 80845739), (13, 12437806), (26, 6218903), (769, 210262), (1538, 105131), (8087, 19994), (9997, 16174)]