178422361

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 210325248

約数和(自身を除く): 31902887

約数列:

[1, 13, 17, 71, 83, 137, 221, 923, 1079, 1207, 1411, 1781, 2329, 5893, 9727, 11371, 15691, 18343, 30277, 76609, 100181, 126451, 147823, 165359, 193307, 807341, 1302353, 2149667, 2512991, 10495433, 13724797, 178422361]

約数ペア:

[(1, 178422361), (13, 13724797), (17, 10495433), (71, 2512991), (83, 2149667), (137, 1302353), (221, 807341), (923, 193307), (1079, 165359), (1207, 147823), (1411, 126451), (1781, 100181), (2329, 76609), (5893, 30277), (9727, 18343), (11371, 15691)]