81069884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1571}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 172542720

約数和(自身を除く): 91472836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 532, 679, 1358, 1571, 1843, 2716, 3142, 3686, 6284, 7372, 10997, 12901, 21994, 25802, 29849, 43988, 51604, 59698, 119396, 152387, 208943, 304774, 417886, 609548, 835772, 1066709, 2133418, 2895353, 4266836, 5790706, 11581412, 20267471, 40534942, 81069884]

約数ペア:

[(1, 81069884), (2, 40534942), (4, 20267471), (7, 11581412), (14, 5790706), (19, 4266836), (28, 2895353), (38, 2133418), (76, 1066709), (97, 835772), (133, 609548), (194, 417886), (266, 304774), (388, 208943), (532, 152387), (679, 119396), (1358, 59698), (1571, 51604), (1843, 43988), (2716, 29849), (3142, 25802), (3686, 21994), (6284, 12901), (7372, 10997)]