28540790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167887}}^1$

素因数の和:167911

約数の個数: 16

約数和(自身を含む): 54395712

約数和(自身を除く): 25854922

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 167887, 335774, 839435, 1678870, 2854079, 5708158, 14270395, 28540790]

約数ペア:

[(1, 28540790), (2, 14270395), (5, 5708158), (10, 2854079), (17, 1678870), (34, 839435), (85, 335774), (170, 167887)]