128260412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12689}}^1$

素因数の和:12738

約数の個数: 36

約数和(自身を含む): 270753840

約数和(自身を除く): 142493428

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 12689, 25378, 50756, 88823, 177646, 241091, 355292, 482182, 964364, 1687637, 3375274, 4580729, 6750548, 9161458, 18322916, 32065103, 64130206, 128260412]

約数ペア:

[(1, 128260412), (2, 64130206), (4, 32065103), (7, 18322916), (14, 9161458), (19, 6750548), (28, 4580729), (38, 3375274), (76, 1687637), (133, 964364), (266, 482182), (361, 355292), (532, 241091), (722, 177646), (1444, 88823), (2527, 50756), (5054, 25378), (10108, 12689)]