289411938

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 663916500

約数和(自身を除く): 374504562

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 149, 174, 183, 261, 298, 366, 447, 522, 549, 894, 1098, 1341, 1769, 2682, 3538, 3721, 4321, 5307, 7442, 8642, 9089, 10614, 11163, 12963, 15921, 18178, 22326, 25926, 27267, 31842, 33489, 38889, 54534, 66978, 77778, 81801, 107909, 163602, 215818, 263581, 323727, 527162, 554429, 647454, 790743, 971181, 1108858, 1581486, 1663287, 1942362, 2372229, 3326574, 4744458, 4989861, 9979722, 16078441, 32156882, 48235323, 96470646, 144705969, 289411938]

約数ペア:

[(1, 289411938), (2, 144705969), (3, 96470646), (6, 48235323), (9, 32156882), (18, 16078441), (29, 9979722), (58, 4989861), (61, 4744458), (87, 3326574), (122, 2372229), (149, 1942362), (174, 1663287), (183, 1581486), (261, 1108858), (298, 971181), (366, 790743), (447, 647454), (522, 554429), (549, 527162), (894, 323727), (1098, 263581), (1341, 215818), (1769, 163602), (2682, 107909), (3538, 81801), (3721, 77778), (4321, 66978), (5307, 54534), (7442, 38889), (8642, 33489), (9089, 31842), (10614, 27267), (11163, 25926), (12963, 22326), (15921, 18178)]