128564135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{159707}}^1$

素因数の和:159742

約数の個数: 16

約数和(自身を含む): 183983616

約数和(自身を除く): 55419481

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 159707, 798535, 1117949, 3673261, 5589745, 18366305, 25712827, 128564135]

約数ペア:

[(1, 128564135), (5, 25712827), (7, 18366305), (23, 5589745), (35, 3673261), (115, 1117949), (161, 798535), (805, 159707)]