221712456

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1224

約数の個数: 128

約数和(自身を含む): 675072000

約数和(自身を除く): 453359544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 343, 392, 483, 552, 588, 644, 686, 966, 1029, 1127, 1171, 1176, 1288, 1372, 1932, 2058, 2254, 2342, 2744, 3381, 3513, 3864, 4116, 4508, 4684, 6762, 7026, 7889, 8197, 8232, 9016, 9368, 13524, 14052, 15778, 16394, 23667, 24591, 26933, 27048, 28104, 31556, 32788, 47334, 49182, 53866, 57379, 63112, 65576, 80799, 94668, 98364, 107732, 114758, 161598, 172137, 188531, 189336, 196728, 215464, 229516, 323196, 344274, 377062, 401653, 459032, 565593, 646392, 688548, 754124, 803306, 1131186, 1204959, 1319717, 1377096, 1508248, 1606612, 2262372, 2409918, 2639434, 3213224, 3959151, 4524744, 4819836, 5278868, 7918302, 9238019, 9639672, 10557736, 15836604, 18476038, 27714057, 31673208, 36952076, 55428114, 73904152, 110856228, 221712456]

約数ペア:

[(1, 221712456), (2, 110856228), (3, 73904152), (4, 55428114), (6, 36952076), (7, 31673208), (8, 27714057), (12, 18476038), (14, 15836604), (21, 10557736), (23, 9639672), (24, 9238019), (28, 7918302), (42, 5278868), (46, 4819836), (49, 4524744), (56, 3959151), (69, 3213224), (84, 2639434), (92, 2409918), (98, 2262372), (138, 1606612), (147, 1508248), (161, 1377096), (168, 1319717), (184, 1204959), (196, 1131186), (276, 803306), (294, 754124), (322, 688548), (343, 646392), (392, 565593), (483, 459032), (552, 401653), (588, 377062), (644, 344274), (686, 323196), (966, 229516), (1029, 215464), (1127, 196728), (1171, 189336), (1176, 188531), (1288, 172137), (1372, 161598), (1932, 114758), (2058, 107732), (2254, 98364), (2342, 94668), (2744, 80799), (3381, 65576), (3513, 63112), (3864, 57379), (4116, 53866), (4508, 49182), (4684, 47334), (6762, 32788), (7026, 31556), (7889, 28104), (8197, 27048), (8232, 26933), (9016, 24591), (9368, 23667), (13524, 16394), (14052, 15778)]