123211998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 358525440

約数和(自身を除く): 235313442

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 37, 38, 39, 42, 57, 63, 74, 78, 91, 107, 111, 114, 117, 126, 133, 171, 182, 214, 222, 234, 247, 259, 266, 273, 321, 333, 342, 399, 481, 494, 518, 546, 642, 666, 703, 741, 749, 777, 798, 819, 962, 963, 1197, 1391, 1406, 1443, 1482, 1498, 1554, 1638, 1729, 1926, 2033, 2109, 2223, 2247, 2331, 2394, 2782, 2886, 3367, 3458, 3959, 4066, 4173, 4218, 4329, 4446, 4494, 4662, 4921, 5187, 6099, 6327, 6734, 6741, 7918, 8346, 8658, 9139, 9737, 9842, 10101, 10374, 11877, 12198, 12519, 12654, 13482, 14231, 14763, 15561, 18278, 18297, 19474, 20202, 23754, 25038, 26429, 27417, 27713, 28462, 29211, 29526, 30303, 31122, 35631, 36594, 42693, 44289, 51467, 52858, 54834, 55426, 58422, 60606, 63973, 71262, 75221, 79287, 82251, 83139, 85386, 87633, 88578, 102934, 127946, 128079, 150442, 154401, 158574, 164502, 166278, 175266, 185003, 191919, 225663, 237861, 249417, 256158, 308802, 360269, 370006, 383838, 451326, 463203, 475722, 498834, 526547, 555009, 575757, 676989, 720538, 926406, 977873, 1053094, 1080807, 1110018, 1151514, 1353978, 1579641, 1665027, 1955746, 2161614, 2933619, 3159282, 3242421, 3330054, 4738923, 5867238, 6484842, 6845111, 8800857, 9477846, 13690222, 17601714, 20535333, 41070666, 61605999, 123211998]

約数ペア:

[(1, 123211998), (2, 61605999), (3, 41070666), (6, 20535333), (7, 17601714), (9, 13690222), (13, 9477846), (14, 8800857), (18, 6845111), (19, 6484842), (21, 5867238), (26, 4738923), (37, 3330054), (38, 3242421), (39, 3159282), (42, 2933619), (57, 2161614), (63, 1955746), (74, 1665027), (78, 1579641), (91, 1353978), (107, 1151514), (111, 1110018), (114, 1080807), (117, 1053094), (126, 977873), (133, 926406), (171, 720538), (182, 676989), (214, 575757), (222, 555009), (234, 526547), (247, 498834), (259, 475722), (266, 463203), (273, 451326), (321, 383838), (333, 370006), (342, 360269), (399, 308802), (481, 256158), (494, 249417), (518, 237861), (546, 225663), (642, 191919), (666, 185003), (703, 175266), (741, 166278), (749, 164502), (777, 158574), (798, 154401), (819, 150442), (962, 128079), (963, 127946), (1197, 102934), (1391, 88578), (1406, 87633), (1443, 85386), (1482, 83139), (1498, 82251), (1554, 79287), (1638, 75221), (1729, 71262), (1926, 63973), (2033, 60606), (2109, 58422), (2223, 55426), (2247, 54834), (2331, 52858), (2394, 51467), (2782, 44289), (2886, 42693), (3367, 36594), (3458, 35631), (3959, 31122), (4066, 30303), (4173, 29526), (4218, 29211), (4329, 28462), (4446, 27713), (4494, 27417), (4662, 26429), (4921, 25038), (5187, 23754), (6099, 20202), (6327, 19474), (6734, 18297), (6741, 18278), (7918, 15561), (8346, 14763), (8658, 14231), (9139, 13482), (9737, 12654), (9842, 12519), (10101, 12198), (10374, 11877)]