256415552638

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1287007}}^1$

素因数の和:1287149

約数の個数: 48

約数和(自身を含む): 475369274880

約数和(自身を除く): 218953722242

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 107, 133, 214, 266, 749, 931, 1498, 1862, 2033, 4066, 5243, 10486, 14231, 28462, 99617, 199234, 1287007, 2574014, 9009049, 18018098, 24453133, 48906266, 63063343, 126126686, 137709749, 171171931, 275419498, 342343862, 963968243, 1198203517, 1927936486, 2396407034, 2616485231, 5232970462, 6747777701, 13495555402, 18315396617, 36630793234, 128207776319, 256415552638]

約数ペア:

[(1, 256415552638), (2, 128207776319), (7, 36630793234), (14, 18315396617), (19, 13495555402), (38, 6747777701), (49, 5232970462), (98, 2616485231), (107, 2396407034), (133, 1927936486), (214, 1198203517), (266, 963968243), (749, 342343862), (931, 275419498), (1498, 171171931), (1862, 137709749), (2033, 126126686), (4066, 63063343), (5243, 48906266), (10486, 24453133), (14231, 18018098), (28462, 9009049), (99617, 2574014), (199234, 1287007)]