1247447964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2072

約数の個数: 192

約数和(自身を含む): 3870720000

約数和(自身を除く): 2623272036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 23, 28, 34, 38, 42, 46, 51, 57, 68, 69, 76, 84, 92, 102, 114, 119, 133, 138, 161, 204, 228, 238, 266, 276, 322, 323, 357, 391, 399, 437, 476, 483, 532, 644, 646, 714, 782, 798, 874, 966, 969, 1173, 1292, 1311, 1428, 1564, 1596, 1748, 1932, 1938, 1999, 2261, 2346, 2622, 2737, 3059, 3876, 3998, 4522, 4692, 5244, 5474, 5997, 6118, 6783, 7429, 7996, 8211, 9044, 9177, 10948, 11994, 12236, 13566, 13993, 14858, 16422, 18354, 22287, 23988, 27132, 27986, 29716, 32844, 33983, 36708, 37981, 41979, 44574, 45977, 52003, 55972, 67966, 75962, 83958, 89148, 91954, 101949, 104006, 113943, 135932, 137931, 151924, 156009, 167916, 183908, 203898, 208012, 227886, 237881, 265867, 275862, 312018, 321839, 407796, 455772, 475762, 531734, 551724, 624036, 643678, 645677, 713643, 781609, 797601, 873563, 951524, 965517, 1063468, 1287356, 1291354, 1427286, 1563218, 1595202, 1747126, 1931034, 1937031, 2344827, 2582708, 2620689, 2854572, 3126436, 3190404, 3494252, 3862068, 3874062, 4519739, 4689654, 5241378, 5471263, 6114941, 7748124, 9039478, 9379308, 10482756, 10942526, 12229882, 13559217, 14850571, 16413789, 18078956, 18344823, 21885052, 24459764, 27118434, 29701142, 32827578, 36689646, 44551713, 54236868, 59402284, 65655156, 73379292, 89103426, 103953997, 178206852, 207907994, 311861991, 415815988, 623723982, 1247447964]

約数ペア:

[(1, 1247447964), (2, 623723982), (3, 415815988), (4, 311861991), (6, 207907994), (7, 178206852), (12, 103953997), (14, 89103426), (17, 73379292), (19, 65655156), (21, 59402284), (23, 54236868), (28, 44551713), (34, 36689646), (38, 32827578), (42, 29701142), (46, 27118434), (51, 24459764), (57, 21885052), (68, 18344823), (69, 18078956), (76, 16413789), (84, 14850571), (92, 13559217), (102, 12229882), (114, 10942526), (119, 10482756), (133, 9379308), (138, 9039478), (161, 7748124), (204, 6114941), (228, 5471263), (238, 5241378), (266, 4689654), (276, 4519739), (322, 3874062), (323, 3862068), (357, 3494252), (391, 3190404), (399, 3126436), (437, 2854572), (476, 2620689), (483, 2582708), (532, 2344827), (644, 1937031), (646, 1931034), (714, 1747126), (782, 1595202), (798, 1563218), (874, 1427286), (966, 1291354), (969, 1287356), (1173, 1063468), (1292, 965517), (1311, 951524), (1428, 873563), (1564, 797601), (1596, 781609), (1748, 713643), (1932, 645677), (1938, 643678), (1999, 624036), (2261, 551724), (2346, 531734), (2622, 475762), (2737, 455772), (3059, 407796), (3876, 321839), (3998, 312018), (4522, 275862), (4692, 265867), (5244, 237881), (5474, 227886), (5997, 208012), (6118, 203898), (6783, 183908), (7429, 167916), (7996, 156009), (8211, 151924), (9044, 137931), (9177, 135932), (10948, 113943), (11994, 104006), (12236, 101949), (13566, 91954), (13993, 89148), (14858, 83958), (16422, 75962), (18354, 67966), (22287, 55972), (23988, 52003), (27132, 45977), (27986, 44574), (29716, 41979), (32844, 37981), (33983, 36708)]