26811824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128903}}^1$

素因数の和:128924

約数の個数: 20

約数和(自身を含む): 55944336

約数和(自身を除く): 29132512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128903, 257806, 515612, 1031224, 1675739, 2062448, 3351478, 6702956, 13405912, 26811824]

約数ペア:

[(1, 26811824), (2, 13405912), (4, 6702956), (8, 3351478), (13, 2062448), (16, 1675739), (26, 1031224), (52, 515612), (104, 257806), (208, 128903)]