30991205

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2017}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 42620160

約数和(自身を除く): 11628955

約数列:

[1, 5, 7, 35, 439, 2017, 2195, 3073, 10085, 14119, 15365, 70595, 885463, 4427315, 6198241, 30991205]

約数ペア:

[(1, 30991205), (5, 6198241), (7, 4427315), (35, 885463), (439, 70595), (2017, 15365), (2195, 14119), (3073, 10085)]