31139689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1709}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 37756800

約数和(自身を除く): 6617111

約数列:

[1, 7, 19, 133, 137, 959, 1709, 2603, 11963, 18221, 32471, 227297, 234133, 1638931, 4448527, 31139689]

約数ペア:

[(1, 31139689), (7, 4448527), (19, 1638931), (133, 234133), (137, 227297), (959, 32471), (1709, 18221), (2603, 11963)]