28369825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 38943936

約数和(自身を除く): 10574111

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1453, 1775, 3905, 7265, 15983, 19525, 36325, 79915, 103163, 399575, 515815, 1134793, 2579075, 5673965, 28369825]

約数ペア:

[(1, 28369825), (5, 5673965), (11, 2579075), (25, 1134793), (55, 515815), (71, 399575), (275, 103163), (355, 79915), (781, 36325), (1453, 19525), (1775, 15983), (3905, 7265)]