161845484

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{291089}}^1$

素因数の和:291232

約数の個数: 12

約数和(自身を含む): 285268200

約数和(自身を除く): 123422716

約数列:

[1, 2, 4, 139, 278, 556, 291089, 582178, 1164356, 40461371, 80922742, 161845484]

約数ペア:

[(1, 161845484), (2, 80922742), (4, 40461371), (139, 1164356), (278, 582178), (556, 291089)]