2011679990

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{386119}}^1$

素因数の和:386647

約数の個数: 16

約数和(自身を含む): 3627983520

約数和(自身を除く): 1616303530

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 386119, 772238, 1930595, 3861190, 201167999, 402335998, 1005839995, 2011679990]

約数ペア:

[(1, 2011679990), (2, 1005839995), (5, 402335998), (10, 201167999), (521, 3861190), (1042, 1930595), (2605, 772238), (5210, 386119)]