508775141

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 629760000

約数和(自身を除く): 120984859

約数列:

[1, 7, 19, 47, 133, 199, 329, 409, 893, 1393, 2863, 3781, 6251, 7771, 9353, 19223, 26467, 54397, 65471, 81391, 134561, 177707, 365237, 569737, 1243949, 1546429, 2556659, 3825377, 10825003, 26777639, 72682163, 508775141]

約数ペア:

[(1, 508775141), (7, 72682163), (19, 26777639), (47, 10825003), (133, 3825377), (199, 2556659), (329, 1546429), (409, 1243949), (893, 569737), (1393, 365237), (2863, 177707), (3781, 134561), (6251, 81391), (7771, 65471), (9353, 54397), (19223, 26467)]