8191115

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 10108800

約数和(自身を除く): 1917685

約数列:

[1, 5, 79, 89, 233, 395, 445, 1165, 7031, 18407, 20737, 35155, 92035, 103685, 1638223, 8191115]

約数ペア:

[(1, 8191115), (5, 1638223), (79, 103685), (89, 92035), (233, 35155), (395, 20737), (445, 18407), (1165, 7031)]