3999996

素因数分解:

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

素因数の和:81

約数の個数: 192

約数和(自身を含む): 14300160

約数和(自身を除く): 10300164

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, 84, 91, 99, 108, 111, 117, 126, 132, 143, 148, 154, 156, 182, 189, 198, 222, 231, 234, 252, 259, 273, 286, 297, 308, 333, 351, 364, 378, 396, 407, 429, 444, 462, 468, 481, 518, 546, 572, 594, 666, 693, 702, 756, 777, 814, 819, 858, 924, 962, 999, 1001, 1036, 1092, 1188, 1221, 1287, 1332, 1386, 1404, 1443, 1554, 1628, 1638, 1716, 1924, 1998, 2002, 2079, 2331, 2442, 2457, 2574, 2772, 2849, 2886, 3003, 3108, 3276, 3367, 3663, 3861, 3996, 4004, 4158, 4329, 4662, 4884, 4914, 5148, 5291, 5698, 5772, 6006, 6734, 6993, 7326, 7722, 8316, 8547, 8658, 9009, 9324, 9828, 10101, 10582, 10989, 11396, 12012, 12987, 13468, 13986, 14652, 15444, 15873, 17094, 17316, 18018, 20202, 21164, 21978, 25641, 25974, 27027, 27972, 30303, 31746, 34188, 36036, 37037, 40404, 43956, 47619, 51282, 51948, 54054, 60606, 63492, 74074, 76923, 90909, 95238, 102564, 108108, 111111, 121212, 142857, 148148, 153846, 181818, 190476, 222222, 285714, 307692, 333333, 363636, 444444, 571428, 666666, 999999, 1333332, 1999998, 3999996]

約数ペア:

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