289717961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{709}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 338695560

約数和(自身を除く): 48977599

約数列:

[1, 13, 17, 43, 221, 559, 709, 731, 1849, 9217, 9503, 12053, 24037, 30487, 31433, 156689, 396331, 408629, 518279, 1310941, 6737627, 17042233, 22285997, 289717961]

約数ペア:

[(1, 289717961), (13, 22285997), (17, 17042233), (43, 6737627), (221, 1310941), (559, 518279), (709, 408629), (731, 396331), (1849, 156689), (9217, 31433), (9503, 30487), (12053, 24037)]