1989687942

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 5396889600

約数和(自身を除く): 3407201658

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 31, 33, 38, 47, 54, 57, 62, 66, 93, 94, 99, 114, 121, 141, 171, 186, 198, 209, 242, 279, 282, 297, 341, 342, 363, 418, 423, 513, 517, 558, 589, 594, 627, 682, 726, 837, 846, 893, 1023, 1026, 1034, 1089, 1178, 1254, 1269, 1331, 1457, 1551, 1674, 1767, 1786, 1881, 2046, 2178, 2299, 2538, 2662, 2679, 2914, 3069, 3102, 3267, 3534, 3751, 3762, 3993, 4371, 4598, 4653, 5301, 5358, 5643, 5687, 6138, 6479, 6534, 6897, 7502, 7986, 8037, 8742, 9207, 9306, 9823, 10602, 11253, 11286, 11374, 11979, 12958, 13113, 13794, 13959, 15903, 16027, 16074, 17061, 18414, 19437, 19646, 20691, 22506, 23958, 24111, 25289, 26226, 27683, 27918, 29469, 31806, 32054, 33759, 34122, 35937, 38874, 39339, 41261, 41382, 48081, 48222, 50578, 51183, 55366, 58311, 58938, 62073, 62557, 67518, 71269, 71874, 75867, 78678, 82522, 83049, 88407, 96162, 101277, 102366, 108053, 116622, 123783, 124146, 125114, 142538, 144243, 151734, 153549, 166098, 174933, 176297, 176814, 187671, 202554, 213807, 216106, 227601, 247566, 249147, 265221, 288486, 304513, 307098, 324159, 349866, 352594, 371349, 375342, 427614, 432729, 455202, 498294, 528891, 530442, 563013, 609026, 641421, 648318, 682803, 742698, 747441, 783959, 865458, 913539, 972477, 1057782, 1114047, 1126026, 1188583, 1282842, 1365606, 1494882, 1567918, 1586673, 1689039, 1827078, 1924263, 1939267, 1944954, 2228094, 2351877, 2377166, 2740617, 2917431, 3173346, 3349643, 3378078, 3565749, 3848526, 3878534, 4703754, 4760019, 5481234, 5817801, 5834862, 6699286, 7055631, 7131498, 8221851, 9520038, 10048929, 10697247, 11635602, 14111262, 16443702, 17453403, 20097858, 21166893, 21394494, 30146787, 32091741, 34906806, 36846073, 42333786, 52360209, 60293574, 64183482, 73692146, 90440361, 104720418, 110538219, 180880722, 221076438, 331614657, 663229314, 994843971, 1989687942]

約数ペア:

[(1, 1989687942), (2, 994843971), (3, 663229314), (6, 331614657), (9, 221076438), (11, 180880722), (18, 110538219), (19, 104720418), (22, 90440361), (27, 73692146), (31, 64183482), (33, 60293574), (38, 52360209), (47, 42333786), (54, 36846073), (57, 34906806), (62, 32091741), (66, 30146787), (93, 21394494), (94, 21166893), (99, 20097858), (114, 17453403), (121, 16443702), (141, 14111262), (171, 11635602), (186, 10697247), (198, 10048929), (209, 9520038), (242, 8221851), (279, 7131498), (282, 7055631), (297, 6699286), (341, 5834862), (342, 5817801), (363, 5481234), (418, 4760019), (423, 4703754), (513, 3878534), (517, 3848526), (558, 3565749), (589, 3378078), (594, 3349643), (627, 3173346), (682, 2917431), (726, 2740617), (837, 2377166), (846, 2351877), (893, 2228094), (1023, 1944954), (1026, 1939267), (1034, 1924263), (1089, 1827078), (1178, 1689039), (1254, 1586673), (1269, 1567918), (1331, 1494882), (1457, 1365606), (1551, 1282842), (1674, 1188583), (1767, 1126026), (1786, 1114047), (1881, 1057782), (2046, 972477), (2178, 913539), (2299, 865458), (2538, 783959), (2662, 747441), (2679, 742698), (2914, 682803), (3069, 648318), (3102, 641421), (3267, 609026), (3534, 563013), (3751, 530442), (3762, 528891), (3993, 498294), (4371, 455202), (4598, 432729), (4653, 427614), (5301, 375342), (5358, 371349), (5643, 352594), (5687, 349866), (6138, 324159), (6479, 307098), (6534, 304513), (6897, 288486), (7502, 265221), (7986, 249147), (8037, 247566), (8742, 227601), (9207, 216106), (9306, 213807), (9823, 202554), (10602, 187671), (11253, 176814), (11286, 176297), (11374, 174933), (11979, 166098), (12958, 153549), (13113, 151734), (13794, 144243), (13959, 142538), (15903, 125114), (16027, 124146), (16074, 123783), (17061, 116622), (18414, 108053), (19437, 102366), (19646, 101277), (20691, 96162), (22506, 88407), (23958, 83049), (24111, 82522), (25289, 78678), (26226, 75867), (27683, 71874), (27918, 71269), (29469, 67518), (31806, 62557), (32054, 62073), (33759, 58938), (34122, 58311), (35937, 55366), (38874, 51183), (39339, 50578), (41261, 48222), (41382, 48081)]