28921775

素因数分解:

$5^2\times {\mathrm{719}}^1\times {\mathrm{1609}}^1$

素因数の和:2338

約数の個数: 12

約数和(自身を含む): 35935200

約数和(自身を除く): 7013425

約数列:

[1, 5, 25, 719, 1609, 3595, 8045, 17975, 40225, 1156871, 5784355, 28921775]

約数ペア:

[(1, 28921775), (5, 5784355), (25, 1156871), (719, 40225), (1609, 17975), (3595, 8045)]