12440975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 16106112

約数和(自身を除く): 3665137

約数列:

[1, 5, 25, 43, 71, 163, 215, 355, 815, 1075, 1775, 3053, 4075, 7009, 11573, 15265, 35045, 57865, 76325, 175225, 289325, 497639, 2488195, 12440975]

約数ペア:

[(1, 12440975), (5, 2488195), (25, 497639), (43, 289325), (71, 175225), (163, 76325), (215, 57865), (355, 35045), (815, 15265), (1075, 11573), (1775, 7009), (3053, 4075)]