639607816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{1508509}}^1$

素因数の和:1508568

約数の個数: 16

約数和(自身を含む): 1221893100

約数和(自身を除く): 582285284

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 1508509, 3017018, 6034036, 12068072, 79950977, 159901954, 319803908, 639607816]

約数ペア:

[(1, 639607816), (2, 319803908), (4, 159901954), (8, 79950977), (53, 12068072), (106, 6034036), (212, 3017018), (424, 1508509)]