26677456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128257}}^1$

素因数の和:128278

約数の個数: 20

約数和(自身を含む): 55663972

約数和(自身を除く): 28986516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128257, 256514, 513028, 1026056, 1667341, 2052112, 3334682, 6669364, 13338728, 26677456]

約数ペア:

[(1, 26677456), (2, 13338728), (4, 6669364), (8, 3334682), (13, 2052112), (16, 1667341), (26, 1026056), (52, 513028), (104, 256514), (208, 128257)]