26939536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129517}}^1$

素因数の和:129538

約数の個数: 20

約数和(自身を含む): 56210812

約数和(自身を除く): 29271276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129517, 259034, 518068, 1036136, 1683721, 2072272, 3367442, 6734884, 13469768, 26939536]

約数ペア:

[(1, 26939536), (2, 13469768), (4, 6734884), (8, 3367442), (13, 2072272), (16, 1683721), (26, 1036136), (52, 518068), (104, 259034), (208, 129517)]