329265232

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{20641}}^1$

素因数の和:21646

約数の個数: 20

約数和(自身を含む): 638622196

約数和(自身を除く): 309356964

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 20641, 41282, 82564, 165128, 330256, 20579077, 41158154, 82316308, 164632616, 329265232]

約数ペア:

[(1, 329265232), (2, 164632616), (4, 82316308), (8, 41158154), (16, 20579077), (997, 330256), (1994, 165128), (3988, 82564), (7976, 41282), (15952, 20641)]