819840881

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{5557}}^1$

素因数の和:5720

約数の個数: 16

約数和(自身を含む): 868648704

約数和(自身を除く): 48807823

約数列:

[1, 43, 47, 73, 2021, 3139, 3431, 5557, 147533, 238951, 261179, 405661, 11230697, 17443423, 19066067, 819840881]

約数ペア:

[(1, 819840881), (43, 19066067), (47, 17443423), (73, 11230697), (2021, 405661), (3139, 261179), (3431, 238951), (5557, 147533)]