247219847

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{219361}}^1$

素因数の和:219398

約数の個数: 12

約数和(自身を含む): 300087216

約数和(自身を除く): 52867369

約数列:

[1, 7, 23, 49, 161, 1127, 219361, 1535527, 5045303, 10748689, 35317121, 247219847]

約数ペア:

[(1, 247219847), (7, 35317121), (23, 10748689), (49, 5045303), (161, 1535527), (1127, 219361)]