28927175

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 37319040

約数和(自身を除く): 8391865

約数列:

[1, 5, 25, 43, 71, 215, 355, 379, 1075, 1775, 1895, 3053, 9475, 15265, 16297, 26909, 76325, 81485, 134545, 407425, 672725, 1157087, 5785435, 28927175]

約数ペア:

[(1, 28927175), (5, 5785435), (25, 1157087), (43, 672725), (71, 407425), (215, 134545), (355, 81485), (379, 76325), (1075, 26909), (1775, 16297), (1895, 15265), (3053, 9475)]