28353311

素因数分解:

$7^2\times {\mathrm{419}}^1\times {\mathrm{1381}}^1$

素因数の和:1814

約数の個数: 12

約数和(自身を含む): 33085080

約数和(自身を除く): 4731769

約数列:

[1, 7, 49, 419, 1381, 2933, 9667, 20531, 67669, 578639, 4050473, 28353311]

約数ペア:

[(1, 28353311), (7, 4050473), (49, 578639), (419, 67669), (1381, 20531), (2933, 9667)]