81880085

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{439}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 114111360

約数和(自身を除く): 32231275

約数列:

[1, 5, 7, 35, 73, 365, 439, 511, 2195, 2555, 3073, 5329, 15365, 26645, 32047, 37303, 160235, 186515, 224329, 1121645, 2339431, 11697155, 16376017, 81880085]

約数ペア:

[(1, 81880085), (5, 16376017), (7, 11697155), (35, 2339431), (73, 1121645), (365, 224329), (439, 186515), (511, 160235), (2195, 37303), (2555, 32047), (3073, 26645), (5329, 15365)]