128658448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{473009}}^1$

素因数の和:473034

約数の個数: 20

約数和(自身を含む): 263939580

約数和(自身を除く): 135281132

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 473009, 946018, 1892036, 3784072, 7568144, 8041153, 16082306, 32164612, 64329224, 128658448]

約数ペア:

[(1, 128658448), (2, 64329224), (4, 32164612), (8, 16082306), (16, 8041153), (17, 7568144), (34, 3784072), (68, 1892036), (136, 946018), (272, 473009)]