639239006

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{51361}}^1$

素因数の和:51504

約数の個数: 24

約数和(自身を含む): 1124211456

約数和(自身を除く): 484972450

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 6223, 12446, 51361, 102722, 359527, 719054, 2516689, 5033378, 6522847, 13045694, 45659929, 91319858, 319619503, 639239006]

約数ペア:

[(1, 639239006), (2, 319619503), (7, 91319858), (14, 45659929), (49, 13045694), (98, 6522847), (127, 5033378), (254, 2516689), (889, 719054), (1778, 359527), (6223, 102722), (12446, 51361)]