1778754054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 4536705024

約数和(自身を除く): 2757950970

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 211, 213, 231, 257, 422, 426, 462, 497, 514, 633, 771, 781, 994, 1266, 1477, 1491, 1542, 1562, 1799, 2321, 2343, 2827, 2954, 2982, 3598, 4431, 4642, 4686, 5397, 5467, 5654, 6963, 8481, 8862, 10794, 10934, 13926, 14981, 16247, 16401, 16962, 18247, 19789, 29962, 32494, 32802, 36494, 39578, 44943, 48741, 54227, 54741, 59367, 89886, 97482, 104867, 108454, 109482, 118734, 127729, 162681, 164791, 200717, 209734, 255458, 314601, 325362, 329582, 379589, 383187, 401434, 494373, 596497, 602151, 629202, 759178, 766374, 988746, 1138767, 1153537, 1192994, 1204302, 1405019, 1789491, 2277534, 2307074, 2810038, 3460611, 3578982, 3850117, 4175479, 4215057, 6921222, 7700234, 8350958, 8430114, 11550351, 12526437, 23100702, 25052874, 26950819, 42351287, 53901638, 80852457, 84702574, 127053861, 161704914, 254107722, 296459009, 592918018, 889377027, 1778754054]

約数ペア:

[(1, 1778754054), (2, 889377027), (3, 592918018), (6, 296459009), (7, 254107722), (11, 161704914), (14, 127053861), (21, 84702574), (22, 80852457), (33, 53901638), (42, 42351287), (66, 26950819), (71, 25052874), (77, 23100702), (142, 12526437), (154, 11550351), (211, 8430114), (213, 8350958), (231, 7700234), (257, 6921222), (422, 4215057), (426, 4175479), (462, 3850117), (497, 3578982), (514, 3460611), (633, 2810038), (771, 2307074), (781, 2277534), (994, 1789491), (1266, 1405019), (1477, 1204302), (1491, 1192994), (1542, 1153537), (1562, 1138767), (1799, 988746), (2321, 766374), (2343, 759178), (2827, 629202), (2954, 602151), (2982, 596497), (3598, 494373), (4431, 401434), (4642, 383187), (4686, 379589), (5397, 329582), (5467, 325362), (5654, 314601), (6963, 255458), (8481, 209734), (8862, 200717), (10794, 164791), (10934, 162681), (13926, 127729), (14981, 118734), (16247, 109482), (16401, 108454), (16962, 104867), (18247, 97482), (19789, 89886), (29962, 59367), (32494, 54741), (32802, 54227), (36494, 48741), (39578, 44943)]