28253930

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27431}}^1$

素因数の和:27541

約数の個数: 16

約数和(自身を含む): 51352704

約数和(自身を除く): 23098774

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 27431, 54862, 137155, 274310, 2825393, 5650786, 14126965, 28253930]

約数ペア:

[(1, 28253930), (2, 14126965), (5, 5650786), (10, 2825393), (103, 274310), (206, 137155), (515, 54862), (1030, 27431)]