25688728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{247007}}^1$

素因数の和:247026

約数の個数: 16

約数和(自身を含む): 51871680

約数和(自身を除く): 26182952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 247007, 494014, 988028, 1976056, 3211091, 6422182, 12844364, 25688728]

約数ペア:

[(1, 25688728), (2, 12844364), (4, 6422182), (8, 3211091), (13, 1976056), (26, 988028), (52, 494014), (104, 247007)]