208712730863

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{327649499}}^1$

素因数の和:327649526

約数の個数: 12

約数和(自身を含む): 261464301000

約数和(自身を除く): 52751570137

約数列:

[1, 7, 13, 49, 91, 637, 327649499, 2293546493, 4259443487, 16054825451, 29816104409, 208712730863]

約数ペア:

[(1, 208712730863), (7, 29816104409), (13, 16054825451), (49, 4259443487), (91, 2293546493), (637, 327649499)]