201564385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{727}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 268003008

約数和(自身を除く): 66438623

約数列:

[1, 5, 11, 55, 71, 355, 727, 781, 3635, 3905, 5041, 7997, 25205, 39985, 51617, 55451, 258085, 277255, 567787, 2838935, 3664807, 18324035, 40312877, 201564385]

約数ペア:

[(1, 201564385), (5, 40312877), (11, 18324035), (55, 3664807), (71, 2838935), (355, 567787), (727, 277255), (781, 258085), (3635, 55451), (3905, 51617), (5041, 39985), (7997, 25205)]