28409072

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26501}}^1$

素因数の和:26576

約数の個数: 20

約数和(自身を含む): 55866216

約数和(自身を除く): 27457144

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26501, 53002, 106004, 212008, 424016, 1775567, 3551134, 7102268, 14204536, 28409072]

約数ペア:

[(1, 28409072), (2, 14204536), (4, 7102268), (8, 3551134), (16, 1775567), (67, 424016), (134, 212008), (268, 106004), (536, 53002), (1072, 26501)]