217335965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 359036160

約数和(自身を除く): 141700195

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 73, 77, 95, 121, 133, 185, 209, 259, 365, 385, 407, 511, 605, 665, 703, 803, 847, 1045, 1295, 1387, 1463, 2035, 2299, 2555, 2701, 2849, 3515, 4015, 4235, 4477, 4921, 5621, 6935, 7315, 7733, 8833, 9709, 11495, 13505, 14245, 15257, 16093, 18907, 22385, 24605, 28105, 29711, 31339, 38665, 44165, 48545, 51319, 54131, 61831, 76285, 80465, 85063, 94535, 106799, 148555, 156695, 167827, 207977, 256595, 270655, 309155, 326821, 359233, 425315, 533995, 564509, 595441, 839135, 1039885, 1174789, 1634105, 1796165, 2287747, 2822545, 2977205, 3951563, 5873945, 6209599, 11438735, 19757815, 31047995, 43467193, 217335965]

約数ペア:

[(1, 217335965), (5, 43467193), (7, 31047995), (11, 19757815), (19, 11438735), (35, 6209599), (37, 5873945), (55, 3951563), (73, 2977205), (77, 2822545), (95, 2287747), (121, 1796165), (133, 1634105), (185, 1174789), (209, 1039885), (259, 839135), (365, 595441), (385, 564509), (407, 533995), (511, 425315), (605, 359233), (665, 326821), (703, 309155), (803, 270655), (847, 256595), (1045, 207977), (1295, 167827), (1387, 156695), (1463, 148555), (2035, 106799), (2299, 94535), (2555, 85063), (2701, 80465), (2849, 76285), (3515, 61831), (4015, 54131), (4235, 51319), (4477, 48545), (4921, 44165), (5621, 38665), (6935, 31339), (7315, 29711), (7733, 28105), (8833, 24605), (9709, 22385), (11495, 18907), (13505, 16093), (14245, 15257)]