28330775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 38890368

約数和(自身を除く): 10559593

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1451, 1775, 3905, 7255, 15961, 19525, 36275, 79805, 103021, 399025, 515105, 1133231, 2575525, 5666155, 28330775]

約数ペア:

[(1, 28330775), (5, 5666155), (11, 2575525), (25, 1133231), (55, 515105), (71, 399025), (275, 103021), (355, 79805), (781, 36275), (1451, 19525), (1775, 15961), (3905, 7255)]