20161864331

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{17889853}}^1$

素因数の和:17889890

約数の個数: 12

約数和(自身を含む): 24473320272

約数和(自身を除く): 4311455941

約数列:

[1, 7, 23, 49, 161, 1127, 17889853, 125228971, 411466619, 876602797, 2880266333, 20161864331]

約数ペア:

[(1, 20161864331), (7, 2880266333), (23, 876602797), (49, 411466619), (161, 125228971), (1127, 17889853)]