208745095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{68329}}^1$

素因数の和:68394

約数の個数: 16

約数和(自身を含む): 275506560

約数和(自身を除く): 66761465

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 68329, 341645, 888277, 3211463, 4441385, 16057315, 41749019, 208745095]

約数ペア:

[(1, 208745095), (5, 41749019), (13, 16057315), (47, 4441385), (65, 3211463), (235, 888277), (611, 341645), (3055, 68329)]