12503755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 17791488

約数和(自身を除く): 5287733

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 215, 311, 473, 731, 935, 1555, 2365, 3421, 3655, 5287, 8041, 13373, 17105, 26435, 40205, 58157, 66865, 147103, 227341, 290785, 735515, 1136705, 2500751, 12503755]

約数ペア:

[(1, 12503755), (5, 2500751), (11, 1136705), (17, 735515), (43, 290785), (55, 227341), (85, 147103), (187, 66865), (215, 58157), (311, 40205), (473, 26435), (731, 17105), (935, 13373), (1555, 8041), (2365, 5287), (3421, 3655)]