25490297

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 29970432

約数和(自身を除く): 4480135

約数列:

[1, 7, 53, 127, 371, 541, 889, 3787, 6731, 28673, 47117, 68707, 200711, 480949, 3641471, 25490297]

約数ペア:

[(1, 25490297), (7, 3641471), (53, 480949), (127, 200711), (371, 68707), (541, 47117), (889, 28673), (3787, 6731)]