39640444

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{319681}}^1$

素因数の和:319716

約数の個数: 12

約数和(自身を含む): 71608768

約数和(自身を除く): 31968324

約数列:

[1, 2, 4, 31, 62, 124, 319681, 639362, 1278724, 9910111, 19820222, 39640444]

約数ペア:

[(1, 39640444), (2, 19820222), (4, 9910111), (31, 1278724), (62, 639362), (124, 319681)]