204890309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 225509760

約数和(自身を除く): 20619451

約数列:

[1, 13, 71, 139, 923, 1597, 1807, 9869, 20761, 113387, 128297, 221983, 1474031, 2885779, 15760793, 204890309]

約数ペア:

[(1, 204890309), (13, 15760793), (71, 2885779), (139, 1474031), (923, 221983), (1597, 128297), (1807, 113387), (9869, 20761)]