51377456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247007}}^1$

素因数の和:247028

約数の個数: 20

約数和(自身を含む): 107201472

約数和(自身を除く): 55824016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247007, 494014, 988028, 1976056, 3211091, 3952112, 6422182, 12844364, 25688728, 51377456]

約数ペア:

[(1, 51377456), (2, 25688728), (4, 12844364), (8, 6422182), (13, 3952112), (16, 3211091), (26, 1976056), (52, 988028), (104, 494014), (208, 247007)]