28513390

素因数分解:

$2^1\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{1759}}^1$

素因数の和:3387

約数の個数: 16

約数和(自身を含む): 51384960

約数和(自身を除く): 22871570

約数列:

[1, 2, 5, 10, 1621, 1759, 3242, 3518, 8105, 8795, 16210, 17590, 2851339, 5702678, 14256695, 28513390]

約数ペア:

[(1, 28513390), (2, 14256695), (5, 5702678), (10, 2851339), (1621, 17590), (1759, 16210), (3242, 8795), (3518, 8105)]