131888449

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{244691}}^1$

素因数の和:244716

約数の個数: 12

約数和(自身を含む): 167369328

約数和(自身を除く): 35480879

約数列:

[1, 7, 11, 49, 77, 539, 244691, 1712837, 2691601, 11989859, 18841207, 131888449]

約数ペア:

[(1, 131888449), (7, 18841207), (11, 11989859), (49, 2691601), (77, 1712837), (539, 244691)]