26990704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129763}}^1$

素因数の和:129784

約数の個数: 20

約数和(自身を含む): 56317576

約数和(自身を除く): 29326872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129763, 259526, 519052, 1038104, 1686919, 2076208, 3373838, 6747676, 13495352, 26990704]

約数ペア:

[(1, 26990704), (2, 13495352), (4, 6747676), (8, 3373838), (13, 2076208), (16, 1686919), (26, 1038104), (52, 519052), (104, 259526), (208, 129763)]