28261607

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 18

約数和(自身を含む): 32836104

約数和(自身を除く): 4574497

約数列:

[1, 11, 19, 121, 209, 361, 647, 2299, 3971, 7117, 12293, 43681, 78287, 135223, 233567, 1487453, 2569237, 28261607]

約数ペア:

[(1, 28261607), (11, 2569237), (19, 1487453), (121, 233567), (209, 135223), (361, 78287), (647, 43681), (2299, 12293), (3971, 7117)]