2011094990

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{516991}}^1$

素因数の和:517387

約数の個数: 16

約数和(自身を含む): 3629283840

約数和(自身を除く): 1618188850

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 516991, 1033982, 2584955, 5169910, 201109499, 402218998, 1005547495, 2011094990]

約数ペア:

[(1, 2011094990), (2, 1005547495), (5, 402218998), (10, 201109499), (389, 5169910), (778, 2584955), (1945, 1033982), (3890, 516991)]