172720422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 444787200

約数和(自身を除く): 272066778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 71, 86, 126, 129, 142, 213, 258, 301, 387, 426, 449, 497, 602, 639, 774, 898, 903, 994, 1278, 1347, 1491, 1806, 2694, 2709, 2982, 3053, 3143, 4041, 4473, 5418, 6106, 6286, 8082, 8946, 9159, 9429, 18318, 18858, 19307, 21371, 27477, 28287, 31879, 38614, 42742, 54954, 56574, 57921, 63758, 64113, 95637, 115842, 128226, 135149, 173763, 191274, 192339, 223153, 270298, 286911, 347526, 384678, 405447, 446306, 573822, 669459, 810894, 1216341, 1338918, 1370797, 2008377, 2432682, 2741594, 4016754, 4112391, 8224782, 9595579, 12337173, 19191158, 24674346, 28786737, 57573474, 86360211, 172720422]

約数ペア:

[(1, 172720422), (2, 86360211), (3, 57573474), (6, 28786737), (7, 24674346), (9, 19191158), (14, 12337173), (18, 9595579), (21, 8224782), (42, 4112391), (43, 4016754), (63, 2741594), (71, 2432682), (86, 2008377), (126, 1370797), (129, 1338918), (142, 1216341), (213, 810894), (258, 669459), (301, 573822), (387, 446306), (426, 405447), (449, 384678), (497, 347526), (602, 286911), (639, 270298), (774, 223153), (898, 192339), (903, 191274), (994, 173763), (1278, 135149), (1347, 128226), (1491, 115842), (1806, 95637), (2694, 64113), (2709, 63758), (2982, 57921), (3053, 56574), (3143, 54954), (4041, 42742), (4473, 38614), (5418, 31879), (6106, 28287), (6286, 27477), (8082, 21371), (8946, 19307), (9159, 18858), (9429, 18318)]