12872755

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15991}}^1$

素因数の和:16026

約数の個数: 16

約数和(自身を含む): 18422784

約数和(自身を除く): 5550029

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 15991, 79955, 111937, 367793, 559685, 1838965, 2574551, 12872755]

約数ペア:

[(1, 12872755), (5, 2574551), (7, 1838965), (23, 559685), (35, 367793), (115, 111937), (161, 79955), (805, 15991)]