217742868

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 216

約数和(自身を含む): 695763432

約数和(自身を除く): 478020564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 53, 63, 68, 84, 98, 102, 106, 119, 126, 137, 147, 153, 159, 196, 204, 212, 238, 252, 274, 294, 306, 318, 357, 371, 411, 441, 476, 477, 548, 588, 612, 636, 714, 742, 822, 833, 882, 901, 954, 959, 1071, 1113, 1233, 1428, 1484, 1644, 1666, 1764, 1802, 1908, 1918, 2142, 2226, 2329, 2466, 2499, 2597, 2703, 2877, 3332, 3339, 3604, 3836, 4284, 4452, 4658, 4932, 4998, 5194, 5406, 5754, 6307, 6678, 6713, 6987, 7261, 7497, 7791, 8109, 8631, 9316, 9996, 10388, 10812, 11508, 12614, 13356, 13426, 13974, 14522, 14994, 15582, 16218, 16303, 17262, 18921, 20139, 20961, 21783, 23373, 25228, 26852, 27948, 29044, 29988, 31164, 32436, 32606, 34524, 37842, 40278, 41922, 43566, 44149, 46746, 48909, 50827, 56763, 60417, 65212, 65349, 75684, 80556, 83844, 87132, 88298, 93492, 97818, 101654, 113526, 114121, 120834, 123437, 130698, 132447, 146727, 152481, 176596, 195636, 203308, 227052, 228242, 241668, 246874, 261396, 264894, 293454, 304962, 342363, 355789, 370311, 397341, 456484, 457443, 493748, 529788, 586908, 609924, 684726, 711578, 740622, 794682, 864059, 914886, 1027089, 1067367, 1110933, 1369452, 1423156, 1481244, 1589364, 1728118, 1829772, 2054178, 2134734, 2221866, 2592177, 3202101, 3456236, 4108356, 4269468, 4443732, 5184354, 6048413, 6404202, 7776531, 10368708, 12096826, 12808404, 15553062, 18145239, 24193652, 31106124, 36290478, 54435717, 72580956, 108871434, 217742868]

約数ペア:

[(1, 217742868), (2, 108871434), (3, 72580956), (4, 54435717), (6, 36290478), (7, 31106124), (9, 24193652), (12, 18145239), (14, 15553062), (17, 12808404), (18, 12096826), (21, 10368708), (28, 7776531), (34, 6404202), (36, 6048413), (42, 5184354), (49, 4443732), (51, 4269468), (53, 4108356), (63, 3456236), (68, 3202101), (84, 2592177), (98, 2221866), (102, 2134734), (106, 2054178), (119, 1829772), (126, 1728118), (137, 1589364), (147, 1481244), (153, 1423156), (159, 1369452), (196, 1110933), (204, 1067367), (212, 1027089), (238, 914886), (252, 864059), (274, 794682), (294, 740622), (306, 711578), (318, 684726), (357, 609924), (371, 586908), (411, 529788), (441, 493748), (476, 457443), (477, 456484), (548, 397341), (588, 370311), (612, 355789), (636, 342363), (714, 304962), (742, 293454), (822, 264894), (833, 261396), (882, 246874), (901, 241668), (954, 228242), (959, 227052), (1071, 203308), (1113, 195636), (1233, 176596), (1428, 152481), (1484, 146727), (1644, 132447), (1666, 130698), (1764, 123437), (1802, 120834), (1908, 114121), (1918, 113526), (2142, 101654), (2226, 97818), (2329, 93492), (2466, 88298), (2499, 87132), (2597, 83844), (2703, 80556), (2877, 75684), (3332, 65349), (3339, 65212), (3604, 60417), (3836, 56763), (4284, 50827), (4452, 48909), (4658, 46746), (4932, 44149), (4998, 43566), (5194, 41922), (5406, 40278), (5754, 37842), (6307, 34524), (6678, 32606), (6713, 32436), (6987, 31164), (7261, 29988), (7497, 29044), (7791, 27948), (8109, 26852), (8631, 25228), (9316, 23373), (9996, 21783), (10388, 20961), (10812, 20139), (11508, 18921), (12614, 17262), (13356, 16303), (13426, 16218), (13974, 15582), (14522, 14994)]