128237762

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{66721}}^1$

素因数の和:66785

約数の個数: 12

約数和(自身を含む): 198764838

約数和(自身を除く): 70527076

約数列:

[1, 2, 31, 62, 961, 1922, 66721, 133442, 2068351, 4136702, 64118881, 128237762]

約数ペア:

[(1, 128237762), (2, 64118881), (31, 4136702), (62, 2068351), (961, 133442), (1922, 66721)]