217966308

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 628798464

約数和(自身を除く): 410832156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 71, 84, 92, 98, 138, 142, 147, 161, 196, 213, 227, 276, 284, 294, 322, 426, 454, 483, 497, 588, 644, 681, 852, 908, 966, 994, 1127, 1362, 1491, 1589, 1633, 1932, 1988, 2254, 2724, 2982, 3178, 3266, 3381, 3479, 4508, 4767, 4899, 5221, 5964, 6356, 6532, 6762, 6958, 9534, 9798, 10437, 10442, 11123, 11431, 13524, 13916, 15663, 16117, 19068, 19596, 20874, 20884, 22246, 22862, 31326, 32234, 33369, 34293, 36547, 41748, 44492, 45724, 48351, 62652, 64468, 66738, 68586, 73094, 80017, 96702, 109641, 112819, 133476, 137172, 146188, 160034, 193404, 219282, 225638, 240051, 255829, 320068, 338457, 370691, 438564, 451276, 480102, 511658, 676914, 741382, 767487, 789733, 960204, 1023316, 1112073, 1353828, 1482764, 1534974, 1579466, 2224146, 2369199, 2594837, 3069948, 3158932, 4448292, 4738398, 5189674, 7784511, 9476796, 10379348, 15569022, 18163859, 31138044, 36327718, 54491577, 72655436, 108983154, 217966308]

約数ペア:

[(1, 217966308), (2, 108983154), (3, 72655436), (4, 54491577), (6, 36327718), (7, 31138044), (12, 18163859), (14, 15569022), (21, 10379348), (23, 9476796), (28, 7784511), (42, 5189674), (46, 4738398), (49, 4448292), (69, 3158932), (71, 3069948), (84, 2594837), (92, 2369199), (98, 2224146), (138, 1579466), (142, 1534974), (147, 1482764), (161, 1353828), (196, 1112073), (213, 1023316), (227, 960204), (276, 789733), (284, 767487), (294, 741382), (322, 676914), (426, 511658), (454, 480102), (483, 451276), (497, 438564), (588, 370691), (644, 338457), (681, 320068), (852, 255829), (908, 240051), (966, 225638), (994, 219282), (1127, 193404), (1362, 160034), (1491, 146188), (1589, 137172), (1633, 133476), (1932, 112819), (1988, 109641), (2254, 96702), (2724, 80017), (2982, 73094), (3178, 68586), (3266, 66738), (3381, 64468), (3479, 62652), (4508, 48351), (4767, 45724), (4899, 44492), (5221, 41748), (5964, 36547), (6356, 34293), (6532, 33369), (6762, 32234), (6958, 31326), (9534, 22862), (9798, 22246), (10437, 20884), (10442, 20874), (11123, 19596), (11431, 19068), (13524, 16117), (13916, 15663)]