198295489

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28643}}^1$

素因数の和:28716

約数の個数: 16

約数和(自身を含む): 241984512

約数和(自身を除く): 43689023

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 28643, 200501, 658789, 1231649, 4611523, 8621543, 28327927, 198295489]

約数ペア:

[(1, 198295489), (7, 28327927), (23, 8621543), (43, 4611523), (161, 1231649), (301, 658789), (989, 200501), (6923, 28643)]