25857845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 34152192

約数和(自身を除く): 8294347

約数列:

[1, 5, 13, 65, 71, 169, 355, 431, 845, 923, 2155, 4615, 5603, 11999, 28015, 30601, 59995, 72839, 153005, 364195, 397813, 1989065, 5171569, 25857845]

約数ペア:

[(1, 25857845), (5, 5171569), (13, 1989065), (65, 397813), (71, 364195), (169, 153005), (355, 72839), (431, 59995), (845, 30601), (923, 28015), (2155, 11999), (4615, 5603)]