638033794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{112687}}^1$

素因数の和:112857

約数の個数: 16

約数和(自身を含む): 1014192000

約数和(自身を除く): 376158206

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 112687, 225374, 2141053, 4282106, 16790363, 33580726, 319016897, 638033794]

約数ペア:

[(1, 638033794), (2, 319016897), (19, 33580726), (38, 16790363), (149, 4282106), (298, 2141053), (2831, 225374), (5662, 112687)]