11999988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 240

約数和(自身を含む): 43257984

約数和(自身を除く): 31257996

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 27, 28, 33, 36, 37, 39, 42, 44, 52, 54, 63, 66, 74, 77, 78, 81, 84, 91, 99, 108, 111, 117, 126, 132, 143, 148, 154, 156, 162, 182, 189, 198, 222, 231, 234, 252, 259, 273, 286, 297, 308, 324, 333, 351, 364, 378, 396, 407, 429, 444, 462, 468, 481, 518, 546, 567, 572, 594, 666, 693, 702, 756, 777, 814, 819, 858, 891, 924, 962, 999, 1001, 1036, 1053, 1092, 1134, 1188, 1221, 1287, 1332, 1386, 1404, 1443, 1554, 1628, 1638, 1716, 1782, 1924, 1998, 2002, 2079, 2106, 2268, 2331, 2442, 2457, 2574, 2772, 2849, 2886, 2997, 3003, 3108, 3276, 3367, 3564, 3663, 3861, 3996, 4004, 4158, 4212, 4329, 4662, 4884, 4914, 5148, 5291, 5698, 5772, 5994, 6006, 6237, 6734, 6993, 7326, 7371, 7722, 8316, 8547, 8658, 9009, 9324, 9828, 10101, 10582, 10989, 11396, 11583, 11988, 12012, 12474, 12987, 13468, 13986, 14652, 14742, 15444, 15873, 17094, 17316, 18018, 20202, 20979, 21164, 21978, 23166, 24948, 25641, 25974, 27027, 27972, 29484, 30303, 31746, 32967, 34188, 36036, 37037, 38961, 40404, 41958, 43956, 46332, 47619, 51282, 51948, 54054, 60606, 63492, 65934, 74074, 76923, 77922, 81081, 83916, 90909, 95238, 102564, 108108, 111111, 121212, 131868, 142857, 148148, 153846, 155844, 162162, 181818, 190476, 222222, 230769, 272727, 285714, 307692, 324324, 333333, 363636, 428571, 444444, 461538, 545454, 571428, 666666, 857142, 923076, 999999, 1090908, 1333332, 1714284, 1999998, 2999997, 3999996, 5999994, 11999988]

約数ペア:

[(1, 11999988), (2, 5999994), (3, 3999996), (4, 2999997), (6, 1999998), (7, 1714284), (9, 1333332), (11, 1090908), (12, 999999), (13, 923076), (14, 857142), (18, 666666), (21, 571428), (22, 545454), (26, 461538), (27, 444444), (28, 428571), (33, 363636), (36, 333333), (37, 324324), (39, 307692), (42, 285714), (44, 272727), (52, 230769), (54, 222222), (63, 190476), (66, 181818), (74, 162162), (77, 155844), (78, 153846), (81, 148148), (84, 142857), (91, 131868), (99, 121212), (108, 111111), (111, 108108), (117, 102564), (126, 95238), (132, 90909), (143, 83916), (148, 81081), (154, 77922), (156, 76923), (162, 74074), (182, 65934), (189, 63492), (198, 60606), (222, 54054), (231, 51948), (234, 51282), (252, 47619), (259, 46332), (273, 43956), (286, 41958), (297, 40404), (308, 38961), (324, 37037), (333, 36036), (351, 34188), (364, 32967), (378, 31746), (396, 30303), (407, 29484), (429, 27972), (444, 27027), (462, 25974), (468, 25641), (481, 24948), (518, 23166), (546, 21978), (567, 21164), (572, 20979), (594, 20202), (666, 18018), (693, 17316), (702, 17094), (756, 15873), (777, 15444), (814, 14742), (819, 14652), (858, 13986), (891, 13468), (924, 12987), (962, 12474), (999, 12012), (1001, 11988), (1036, 11583), (1053, 11396), (1092, 10989), (1134, 10582), (1188, 10101), (1221, 9828), (1287, 9324), (1332, 9009), (1386, 8658), (1404, 8547), (1443, 8316), (1554, 7722), (1628, 7371), (1638, 7326), (1716, 6993), (1782, 6734), (1924, 6237), (1998, 6006), (2002, 5994), (2079, 5772), (2106, 5698), (2268, 5291), (2331, 5148), (2442, 4914), (2457, 4884), (2574, 4662), (2772, 4329), (2849, 4212), (2886, 4158), (2997, 4004), (3003, 3996), (3108, 3861), (3276, 3663), (3367, 3564)]