2002123879

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2150509}}^1$

素因数の和:2150542

約数の個数: 12

約数和(自身を含む): 2451581400

約数和(自身を除く): 449457521

約数列:

[1, 7, 19, 49, 133, 931, 2150509, 15053563, 40859671, 105374941, 286017697, 2002123879]

約数ペア:

[(1, 2002123879), (7, 286017697), (19, 105374941), (49, 40859671), (133, 15053563), (931, 2150509)]