66559675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 107618112

約数和(自身を除く): 41058437

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 1721, 2275, 2975, 5525, 7735, 8605, 12047, 22373, 29257, 38675, 43025, 60235, 111865, 146285, 156611, 204799, 301175, 380341, 559325, 731425, 783055, 1023995, 1901705, 2662387, 3915275, 5119975, 9508525, 13311935, 66559675]

約数ペア:

[(1, 66559675), (5, 13311935), (7, 9508525), (13, 5119975), (17, 3915275), (25, 2662387), (35, 1901705), (65, 1023995), (85, 783055), (91, 731425), (119, 559325), (175, 380341), (221, 301175), (325, 204799), (425, 156611), (455, 146285), (595, 111865), (1105, 60235), (1547, 43025), (1721, 38675), (2275, 29257), (2975, 22373), (5525, 12047), (7735, 8605)]