28646690

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3541}}^1$

素因数の和:4357

約数の個数: 16

約数和(自身を含む): 51642360

約数和(自身を除く): 22995670

約数列:

[1, 2, 5, 10, 809, 1618, 3541, 4045, 7082, 8090, 17705, 35410, 2864669, 5729338, 14323345, 28646690]

約数ペア:

[(1, 28646690), (2, 14323345), (5, 5729338), (10, 2864669), (809, 35410), (1618, 17705), (3541, 8090), (4045, 7082)]