521607457

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 634060800

約数和(自身を除く): 112453343

約数列:

[1, 7, 31, 47, 199, 217, 257, 329, 1393, 1457, 1799, 6169, 7967, 9353, 10199, 12079, 43183, 51143, 55769, 65471, 84553, 289943, 358001, 374449, 1585433, 2029601, 2403721, 2621143, 11098031, 16826047, 74515351, 521607457]

約数ペア:

[(1, 521607457), (7, 74515351), (31, 16826047), (47, 11098031), (199, 2621143), (217, 2403721), (257, 2029601), (329, 1585433), (1393, 374449), (1457, 358001), (1799, 289943), (6169, 84553), (7967, 65471), (9353, 55769), (10199, 51143), (12079, 43183)]