31979536

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{28151}}^1$

素因数の和:28230

約数の個数: 20

約数和(自身を含む): 62835264

約数和(自身を除く): 30855728

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 28151, 56302, 112604, 225208, 450416, 1998721, 3997442, 7994884, 15989768, 31979536]

約数ペア:

[(1, 31979536), (2, 15989768), (4, 7994884), (8, 3997442), (16, 1998721), (71, 450416), (142, 225208), (284, 112604), (568, 56302), (1136, 28151)]