71691196

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{128941}}^1$

素因数の和:129084

約数の個数: 12

約数和(自身を含む): 126363160

約数和(自身を除く): 54671964

約数列:

[1, 2, 4, 139, 278, 556, 128941, 257882, 515764, 17922799, 35845598, 71691196]

約数ペア:

[(1, 71691196), (2, 35845598), (4, 17922799), (139, 515764), (278, 257882), (556, 128941)]