7999992

素因数分解:

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

素因数の和:83

約数の個数: 256

約数和(自身を含む): 30643200

約数和(自身を除く): 22643208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 27, 28, 33, 36, 37, 39, 42, 44, 52, 54, 56, 63, 66, 72, 74, 77, 78, 84, 88, 91, 99, 104, 108, 111, 117, 126, 132, 143, 148, 154, 156, 168, 182, 189, 198, 216, 222, 231, 234, 252, 259, 264, 273, 286, 296, 297, 308, 312, 333, 351, 364, 378, 396, 407, 429, 444, 462, 468, 481, 504, 518, 546, 572, 594, 616, 666, 693, 702, 728, 756, 777, 792, 814, 819, 858, 888, 924, 936, 962, 999, 1001, 1036, 1092, 1144, 1188, 1221, 1287, 1332, 1386, 1404, 1443, 1512, 1554, 1628, 1638, 1716, 1848, 1924, 1998, 2002, 2072, 2079, 2184, 2331, 2376, 2442, 2457, 2574, 2664, 2772, 2808, 2849, 2886, 3003, 3108, 3256, 3276, 3367, 3432, 3663, 3848, 3861, 3996, 4004, 4158, 4329, 4662, 4884, 4914, 5148, 5291, 5544, 5698, 5772, 6006, 6216, 6552, 6734, 6993, 7326, 7722, 7992, 8008, 8316, 8547, 8658, 9009, 9324, 9768, 9828, 10101, 10296, 10582, 10989, 11396, 11544, 12012, 12987, 13468, 13986, 14652, 15444, 15873, 16632, 17094, 17316, 18018, 18648, 19656, 20202, 21164, 21978, 22792, 24024, 25641, 25974, 26936, 27027, 27972, 29304, 30303, 30888, 31746, 34188, 34632, 36036, 37037, 40404, 42328, 43956, 47619, 51282, 51948, 54054, 55944, 60606, 63492, 68376, 72072, 74074, 76923, 80808, 87912, 90909, 95238, 102564, 103896, 108108, 111111, 121212, 126984, 142857, 148148, 153846, 181818, 190476, 205128, 216216, 222222, 242424, 285714, 296296, 307692, 333333, 363636, 380952, 444444, 571428, 615384, 666666, 727272, 888888, 999999, 1142856, 1333332, 1999998, 2666664, 3999996, 7999992]

約数ペア:

[(1, 7999992), (2, 3999996), (3, 2666664), (4, 1999998), (6, 1333332), (7, 1142856), (8, 999999), (9, 888888), (11, 727272), (12, 666666), (13, 615384), (14, 571428), (18, 444444), (21, 380952), (22, 363636), (24, 333333), (26, 307692), (27, 296296), (28, 285714), (33, 242424), (36, 222222), (37, 216216), (39, 205128), (42, 190476), (44, 181818), (52, 153846), (54, 148148), (56, 142857), (63, 126984), (66, 121212), (72, 111111), (74, 108108), (77, 103896), (78, 102564), (84, 95238), (88, 90909), (91, 87912), (99, 80808), (104, 76923), (108, 74074), (111, 72072), (117, 68376), (126, 63492), (132, 60606), (143, 55944), (148, 54054), (154, 51948), (156, 51282), (168, 47619), (182, 43956), (189, 42328), (198, 40404), (216, 37037), (222, 36036), (231, 34632), (234, 34188), (252, 31746), (259, 30888), (264, 30303), (273, 29304), (286, 27972), (296, 27027), (297, 26936), (308, 25974), (312, 25641), (333, 24024), (351, 22792), (364, 21978), (378, 21164), (396, 20202), (407, 19656), (429, 18648), (444, 18018), (462, 17316), (468, 17094), (481, 16632), (504, 15873), (518, 15444), (546, 14652), (572, 13986), (594, 13468), (616, 12987), (666, 12012), (693, 11544), (702, 11396), (728, 10989), (756, 10582), (777, 10296), (792, 10101), (814, 9828), (819, 9768), (858, 9324), (888, 9009), (924, 8658), (936, 8547), (962, 8316), (999, 8008), (1001, 7992), (1036, 7722), (1092, 7326), (1144, 6993), (1188, 6734), (1221, 6552), (1287, 6216), (1332, 6006), (1386, 5772), (1404, 5698), (1443, 5544), (1512, 5291), (1554, 5148), (1628, 4914), (1638, 4884), (1716, 4662), (1848, 4329), (1924, 4158), (1998, 4004), (2002, 3996), (2072, 3861), (2079, 3848), (2184, 3663), (2331, 3432), (2376, 3367), (2442, 3276), (2457, 3256), (2574, 3108), (2664, 3003), (2772, 2886), (2808, 2849)]