129123456

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 192

約数和(自身を含む): 431941440

約数和(自身を除く): 302817984

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 121, 128, 132, 154, 168, 176, 192, 224, 231, 242, 264, 308, 336, 352, 363, 384, 397, 448, 462, 484, 528, 616, 672, 704, 726, 794, 847, 896, 924, 968, 1056, 1191, 1232, 1344, 1408, 1452, 1588, 1694, 1848, 1936, 2112, 2382, 2464, 2541, 2688, 2779, 2904, 3176, 3388, 3696, 3872, 4224, 4367, 4764, 4928, 5082, 5558, 5808, 6352, 6776, 7392, 7744, 8337, 8734, 9528, 9856, 10164, 11116, 11616, 12704, 13101, 13552, 14784, 15488, 16674, 17468, 19056, 20328, 22232, 23232, 25408, 26202, 27104, 29568, 30569, 33348, 34936, 38112, 40656, 44464, 46464, 48037, 50816, 52404, 54208, 61138, 66696, 69872, 76224, 81312, 88928, 91707, 96074, 104808, 108416, 122276, 133392, 139744, 144111, 152448, 162624, 177856, 183414, 192148, 209616, 244552, 266784, 279488, 288222, 325248, 336259, 355712, 366828, 384296, 419232, 489104, 533568, 558976, 576444, 672518, 733656, 768592, 838464, 978208, 1008777, 1067136, 1152888, 1345036, 1467312, 1537184, 1676928, 1956416, 2017554, 2305776, 2690072, 2934624, 3074368, 3912832, 4035108, 4611552, 5380144, 5869248, 6148736, 8070216, 9223104, 10760288, 11738496, 16140432, 18446208, 21520576, 32280864, 43041152, 64561728, 129123456]

約数ペア:

[(1, 129123456), (2, 64561728), (3, 43041152), (4, 32280864), (6, 21520576), (7, 18446208), (8, 16140432), (11, 11738496), (12, 10760288), (14, 9223104), (16, 8070216), (21, 6148736), (22, 5869248), (24, 5380144), (28, 4611552), (32, 4035108), (33, 3912832), (42, 3074368), (44, 2934624), (48, 2690072), (56, 2305776), (64, 2017554), (66, 1956416), (77, 1676928), (84, 1537184), (88, 1467312), (96, 1345036), (112, 1152888), (121, 1067136), (128, 1008777), (132, 978208), (154, 838464), (168, 768592), (176, 733656), (192, 672518), (224, 576444), (231, 558976), (242, 533568), (264, 489104), (308, 419232), (336, 384296), (352, 366828), (363, 355712), (384, 336259), (397, 325248), (448, 288222), (462, 279488), (484, 266784), (528, 244552), (616, 209616), (672, 192148), (704, 183414), (726, 177856), (794, 162624), (847, 152448), (896, 144111), (924, 139744), (968, 133392), (1056, 122276), (1191, 108416), (1232, 104808), (1344, 96074), (1408, 91707), (1452, 88928), (1588, 81312), (1694, 76224), (1848, 69872), (1936, 66696), (2112, 61138), (2382, 54208), (2464, 52404), (2541, 50816), (2688, 48037), (2779, 46464), (2904, 44464), (3176, 40656), (3388, 38112), (3696, 34936), (3872, 33348), (4224, 30569), (4367, 29568), (4764, 27104), (4928, 26202), (5082, 25408), (5558, 23232), (5808, 22232), (6352, 20328), (6776, 19056), (7392, 17468), (7744, 16674), (8337, 15488), (8734, 14784), (9528, 13552), (9856, 13101), (10164, 12704), (11116, 11616)]