686137788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 2117540880

約数和(自身を除く): 1431403092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 49, 53, 63, 82, 84, 98, 106, 123, 126, 147, 159, 164, 179, 196, 212, 246, 252, 287, 294, 318, 358, 369, 371, 441, 477, 492, 537, 574, 588, 636, 716, 738, 742, 861, 882, 954, 1074, 1113, 1148, 1253, 1476, 1484, 1611, 1722, 1764, 1908, 2009, 2148, 2173, 2226, 2506, 2583, 2597, 3222, 3339, 3444, 3759, 4018, 4346, 4452, 5012, 5166, 5194, 6027, 6444, 6519, 6678, 7339, 7518, 7791, 8036, 8692, 8771, 9487, 10332, 10388, 11277, 12054, 13038, 13356, 14678, 15036, 15211, 15582, 17542, 18081, 18974, 19557, 22017, 22554, 23373, 24108, 26076, 26313, 28461, 29356, 30422, 31164, 35084, 36162, 37948, 39114, 44034, 45108, 45633, 46746, 51373, 52626, 56922, 60844, 66051, 66409, 72324, 78228, 78939, 85383, 88068, 91266, 93492, 102746, 105252, 106477, 113844, 132102, 132818, 136899, 154119, 157878, 170766, 182532, 199227, 205492, 212954, 264204, 265636, 273798, 308238, 315756, 319431, 341532, 359611, 388967, 398454, 425908, 462357, 464863, 547596, 597681, 616476, 638862, 719222, 777934, 796908, 924714, 929726, 958293, 1078833, 1166901, 1195362, 1277724, 1394589, 1438444, 1555868, 1849428, 1859452, 1916586, 2157666, 2333802, 2390724, 2722769, 2789178, 3236499, 3500703, 3833172, 4183767, 4315332, 4667604, 5445538, 5578356, 6472998, 7001406, 8168307, 8367534, 10891076, 12945996, 14002812, 16336614, 16735068, 19059383, 24504921, 32673228, 38118766, 49009842, 57178149, 76237532, 98019684, 114356298, 171534447, 228712596, 343068894, 686137788]

約数ペア:

[(1, 686137788), (2, 343068894), (3, 228712596), (4, 171534447), (6, 114356298), (7, 98019684), (9, 76237532), (12, 57178149), (14, 49009842), (18, 38118766), (21, 32673228), (28, 24504921), (36, 19059383), (41, 16735068), (42, 16336614), (49, 14002812), (53, 12945996), (63, 10891076), (82, 8367534), (84, 8168307), (98, 7001406), (106, 6472998), (123, 5578356), (126, 5445538), (147, 4667604), (159, 4315332), (164, 4183767), (179, 3833172), (196, 3500703), (212, 3236499), (246, 2789178), (252, 2722769), (287, 2390724), (294, 2333802), (318, 2157666), (358, 1916586), (369, 1859452), (371, 1849428), (441, 1555868), (477, 1438444), (492, 1394589), (537, 1277724), (574, 1195362), (588, 1166901), (636, 1078833), (716, 958293), (738, 929726), (742, 924714), (861, 796908), (882, 777934), (954, 719222), (1074, 638862), (1113, 616476), (1148, 597681), (1253, 547596), (1476, 464863), (1484, 462357), (1611, 425908), (1722, 398454), (1764, 388967), (1908, 359611), (2009, 341532), (2148, 319431), (2173, 315756), (2226, 308238), (2506, 273798), (2583, 265636), (2597, 264204), (3222, 212954), (3339, 205492), (3444, 199227), (3759, 182532), (4018, 170766), (4346, 157878), (4452, 154119), (5012, 136899), (5166, 132818), (5194, 132102), (6027, 113844), (6444, 106477), (6519, 105252), (6678, 102746), (7339, 93492), (7518, 91266), (7791, 88068), (8036, 85383), (8692, 78939), (8771, 78228), (9487, 72324), (10332, 66409), (10388, 66051), (11277, 60844), (12054, 56922), (13038, 52626), (13356, 51373), (14678, 46746), (15036, 45633), (15211, 45108), (15582, 44034), (17542, 39114), (18081, 37948), (18974, 36162), (19557, 35084), (22017, 31164), (22554, 30422), (23373, 29356), (24108, 28461), (26076, 26313)]