28252675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 38783232

約数和(自身を除く): 10530557

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1447, 1775, 3905, 7235, 15917, 19525, 36175, 79585, 102737, 397925, 513685, 1130107, 2568425, 5650535, 28252675]

約数ペア:

[(1, 28252675), (5, 5650535), (11, 2568425), (25, 1130107), (55, 513685), (71, 397925), (275, 102737), (355, 79585), (781, 36175), (1447, 19525), (1775, 15917), (3905, 7235)]