131395788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4993}}^1$

素因数の和:5063

約数の個数: 72

約数和(自身を含む): 359927568

約数和(自身を除く): 228531780

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 1462, 1548, 2193, 2924, 4386, 4993, 6579, 8772, 9986, 13158, 14979, 19972, 26316, 29958, 44937, 59916, 84881, 89874, 169762, 179748, 214699, 254643, 339524, 429398, 509286, 644097, 763929, 858796, 1018572, 1288194, 1527858, 1932291, 2576388, 3055716, 3649883, 3864582, 7299766, 7729164, 10949649, 14599532, 21899298, 32848947, 43798596, 65697894, 131395788]

約数ペア:

[(1, 131395788), (2, 65697894), (3, 43798596), (4, 32848947), (6, 21899298), (9, 14599532), (12, 10949649), (17, 7729164), (18, 7299766), (34, 3864582), (36, 3649883), (43, 3055716), (51, 2576388), (68, 1932291), (86, 1527858), (102, 1288194), (129, 1018572), (153, 858796), (172, 763929), (204, 644097), (258, 509286), (306, 429398), (387, 339524), (516, 254643), (612, 214699), (731, 179748), (774, 169762), (1462, 89874), (1548, 84881), (2193, 59916), (2924, 44937), (4386, 29958), (4993, 26316), (6579, 19972), (8772, 14979), (9986, 13158)]