25881604

素因数分解:

$2^2\times 7^2\times {\mathrm{132049}}^1$

素因数の和:132067

約数の個数: 18

約数和(自身を含む): 52687950

約数和(自身を除く): 26806346

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 132049, 264098, 528196, 924343, 1848686, 3697372, 6470401, 12940802, 25881604]

約数ペア:

[(1, 25881604), (2, 12940802), (4, 6470401), (7, 3697372), (14, 1848686), (28, 924343), (49, 528196), (98, 264098), (196, 132049)]