208166426

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{19867}}^1$

素因数の和:19926

約数の個数: 24

約数和(自身を含む): 349041024

約数和(自身を除く): 140874598

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 19867, 39734, 258271, 516542, 615877, 1231754, 3357523, 6715046, 8006401, 16012802, 104083213, 208166426]

約数ペア:

[(1, 208166426), (2, 104083213), (13, 16012802), (26, 8006401), (31, 6715046), (62, 3357523), (169, 1231754), (338, 615877), (403, 516542), (806, 258271), (5239, 39734), (10478, 19867)]