639068572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 1204080640

約数和(自身を除く): 565012068

約数列:

[1, 2, 4, 19, 38, 73, 76, 127, 146, 254, 292, 508, 907, 1387, 1814, 2413, 2774, 3628, 4826, 5548, 9271, 9652, 17233, 18542, 34466, 37084, 66211, 68932, 115189, 132422, 176149, 230378, 264844, 352298, 460756, 704596, 1258009, 2188591, 2516018, 4377182, 5032036, 8408797, 8754364, 16817594, 33635188, 159767143, 319534286, 639068572]

約数ペア:

[(1, 639068572), (2, 319534286), (4, 159767143), (19, 33635188), (38, 16817594), (73, 8754364), (76, 8408797), (127, 5032036), (146, 4377182), (254, 2516018), (292, 2188591), (508, 1258009), (907, 704596), (1387, 460756), (1814, 352298), (2413, 264844), (2774, 230378), (3628, 176149), (4826, 132422), (5548, 115189), (9271, 68932), (9652, 66211), (17233, 37084), (18542, 34466)]