85420004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{688871}}^1$

素因数の和:688906

約数の個数: 12

約数和(自身を含む): 154307328

約数和(自身を除く): 68887324

約数列:

[1, 2, 4, 31, 62, 124, 688871, 1377742, 2755484, 21355001, 42710002, 85420004]

約数ペア:

[(1, 85420004), (2, 42710002), (4, 21355001), (31, 2755484), (62, 1377742), (124, 688871)]