1640894968

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{314107}}^1$

素因数の和:314766

約数の個数: 16

約数和(自身を含む): 3081399480

約数和(自身を除く): 1440504512

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 5224, 314107, 628214, 1256428, 2512856, 205111871, 410223742, 820447484, 1640894968]

約数ペア:

[(1, 1640894968), (2, 820447484), (4, 410223742), (8, 205111871), (653, 2512856), (1306, 1256428), (2612, 628214), (5224, 314107)]