78536942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17939}}^1$

素因数の和:18151

約数の個数: 16

約数和(自身を含む): 129168000

約数和(自身を除く): 50631058

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 17939, 35878, 197329, 394658, 3569861, 7139722, 39268471, 78536942]

約数ペア:

[(1, 78536942), (2, 39268471), (11, 7139722), (22, 3569861), (199, 394658), (398, 197329), (2189, 35878), (4378, 17939)]