26491504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127363}}^1$

素因数の和:127384

約数の個数: 20

約数和(自身を含む): 55275976

約数和(自身を除く): 28784472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 127363, 254726, 509452, 1018904, 1655719, 2037808, 3311438, 6622876, 13245752, 26491504]

約数ペア:

[(1, 26491504), (2, 13245752), (4, 6622876), (8, 3311438), (13, 2037808), (16, 1655719), (26, 1018904), (52, 509452), (104, 254726), (208, 127363)]