1985805745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{72647}}^1$

素因数の和:72741

約数の個数: 32

約数和(自身を含む): 3012857856

約数和(自身を除く): 1027052111

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 2485, 3905, 5467, 27335, 72647, 363235, 508529, 799117, 2542645, 3995585, 5157937, 5593819, 25789685, 27969095, 36105559, 56737307, 180527795, 283686535, 397161149, 1985805745]

約数ペア:

[(1, 1985805745), (5, 397161149), (7, 283686535), (11, 180527795), (35, 56737307), (55, 36105559), (71, 27969095), (77, 25789685), (355, 5593819), (385, 5157937), (497, 3995585), (781, 2542645), (2485, 799117), (3905, 508529), (5467, 363235), (27335, 72647)]