205171981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1\times {\mathrm{1249}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 242560000

約数和(自身を除く): 37388019

約数列:

[1, 7, 31, 217, 757, 1249, 5299, 8743, 23467, 38719, 164269, 271033, 945493, 6618451, 29310283, 205171981]

約数ペア:

[(1, 205171981), (7, 29310283), (31, 6618451), (217, 945493), (757, 271033), (1249, 164269), (5299, 38719), (8743, 23467)]