81562288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268297}}^1$

素因数の和:268324

約数の個数: 20

約数和(自身を含む): 166344760

約数和(自身を除く): 84782472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268297, 536594, 1073188, 2146376, 4292752, 5097643, 10195286, 20390572, 40781144, 81562288]

約数ペア:

[(1, 81562288), (2, 40781144), (4, 20390572), (8, 10195286), (16, 5097643), (19, 4292752), (38, 2146376), (76, 1073188), (152, 536594), (304, 268297)]