208078508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{18401}}^1$

素因数の和:18673

約数の個数: 24

約数和(自身を含む): 398808144

約数和(自身を除く): 190729636

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 18401, 36802, 73604, 202411, 404822, 809644, 4729057, 9458114, 18916228, 52019627, 104039254, 208078508]

約数ペア:

[(1, 208078508), (2, 104039254), (4, 52019627), (11, 18916228), (22, 9458114), (44, 4729057), (257, 809644), (514, 404822), (1028, 202411), (2827, 73604), (5654, 36802), (11308, 18401)]