3920005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 4976640

約数和(自身を除く): 1056635

約数列:

[1, 5, 23, 89, 115, 383, 445, 1915, 2047, 8809, 10235, 34087, 44045, 170435, 784001, 3920005]

約数ペア:

[(1, 3920005), (5, 784001), (23, 170435), (89, 44045), (115, 34087), (383, 10235), (445, 8809), (1915, 2047)]