12856551215

素因数分解:

$5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{66949}}^1$

素因数の和:67346

約数の個数: 16

約数和(自身を含む): 15585960000

約数和(自身を除く): 2729408785

約数列:

[1, 5, 193, 199, 965, 995, 38407, 66949, 192035, 334745, 12921157, 13322851, 64605785, 66614255, 2571310243, 12856551215]

約数ペア:

[(1, 12856551215), (5, 2571310243), (193, 66614255), (199, 64605785), (965, 13322851), (995, 12921157), (38407, 334745), (66949, 192035)]