128677801

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18587}}^1$

素因数の和:18660

約数の個数: 16

約数和(自身を含む): 157031424

約数和(自身を除く): 28353623

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 18587, 130109, 427501, 799241, 2992507, 5594687, 18382543, 128677801]

約数ペア:

[(1, 128677801), (7, 18382543), (23, 5594687), (43, 2992507), (161, 799241), (301, 427501), (989, 130109), (6923, 18587)]