13220837

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{11731}}^1$

素因数の和:11768

約数の個数: 12

約数和(自身を含む): 16049376

約数和(自身を除く): 2828539

約数列:

[1, 7, 23, 49, 161, 1127, 11731, 82117, 269813, 574819, 1888691, 13220837]

約数ペア:

[(1, 13220837), (7, 1888691), (23, 574819), (49, 269813), (161, 82117), (1127, 11731)]