279439489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^3\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 355345920

約数和(自身を除く): 75906431

約数列:

[1, 7, 17, 23, 119, 161, 193, 391, 529, 1351, 2737, 3281, 3703, 4439, 8993, 12167, 22967, 31073, 62951, 75463, 85169, 102097, 206839, 528241, 714679, 1447873, 1735649, 2348231, 12149543, 16437617, 39919927, 279439489]

約数ペア:

[(1, 279439489), (7, 39919927), (17, 16437617), (23, 12149543), (119, 2348231), (161, 1735649), (193, 1447873), (391, 714679), (529, 528241), (1351, 206839), (2737, 102097), (3281, 85169), (3703, 75463), (4439, 62951), (8993, 31073), (12167, 22967)]