81243878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1\times {\mathrm{1117}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 125090784

約数和(自身を除く): 43846906

約数列:

[1, 2, 41, 82, 887, 1117, 1774, 2234, 36367, 45797, 72734, 91594, 990779, 1981558, 40621939, 81243878]

約数ペア:

[(1, 81243878), (2, 40621939), (41, 1981558), (82, 990779), (887, 91594), (1117, 72734), (1774, 45797), (2234, 36367)]