12884669

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 15482880

約数和(自身を除く): 2598211

約数列:

[1, 7, 23, 161, 191, 419, 1337, 2933, 4393, 9637, 30751, 67459, 80029, 560203, 1840667, 12884669]

約数ペア:

[(1, 12884669), (7, 1840667), (23, 560203), (161, 80029), (191, 67459), (419, 30751), (1337, 9637), (2933, 4393)]