28405855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2903}}^1$

素因数の和:3030

約数の個数: 16

約数和(自身を含む): 36241920

約数和(自身を除く): 7836065

約数列:

[1, 5, 19, 95, 103, 515, 1957, 2903, 9785, 14515, 55157, 275785, 299009, 1495045, 5681171, 28405855]

約数ペア:

[(1, 28405855), (5, 5681171), (19, 1495045), (95, 299009), (103, 275785), (515, 55157), (1957, 14515), (2903, 9785)]