1639776968

素因数分解:

$2^3\times {\mathrm{2903}}^1\times {\mathrm{70607}}^1$

素因数の和:73516

約数の個数: 16

約数和(自身を含む): 3075684480

約数和(自身を除く): 1435907512

約数列:

[1, 2, 4, 8, 2903, 5806, 11612, 23224, 70607, 141214, 282428, 564856, 204972121, 409944242, 819888484, 1639776968]

約数ペア:

[(1, 1639776968), (2, 819888484), (4, 409944242), (8, 204972121), (2903, 564856), (5806, 282428), (11612, 141214), (23224, 70607)]