2089887205

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{260747}}^1$

素因数の和:260988

約数の個数: 16

約数和(自身を含む): 2878657920

約数和(自身を除く): 788770715

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 8015, 260747, 1303735, 1825229, 9126145, 59711063, 298555315, 417977441, 2089887205]

約数ペア:

[(1, 2089887205), (5, 417977441), (7, 298555315), (35, 59711063), (229, 9126145), (1145, 1825229), (1603, 1303735), (8015, 260747)]