208020085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1627}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 308512512

約数和(自身を除く): 100492427

約数列:

[1, 5, 7, 13, 35, 65, 91, 281, 455, 1405, 1627, 1967, 3653, 8135, 9835, 11389, 18265, 21151, 25571, 56945, 105755, 127855, 148057, 457187, 740285, 2285935, 3200309, 5943431, 16001545, 29717155, 41604017, 208020085]

約数ペア:

[(1, 208020085), (5, 41604017), (7, 29717155), (13, 16001545), (35, 5943431), (65, 3200309), (91, 2285935), (281, 740285), (455, 457187), (1405, 148057), (1627, 127855), (1967, 105755), (3653, 56945), (8135, 25571), (9835, 21151), (11389, 18265)]