643237504

素因数分解:

$2^7\times 7^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 192

約数和(自身を含む): 1680013440

約数和(自身を除く): 1036775936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 49, 52, 56, 64, 91, 92, 98, 104, 112, 128, 161, 182, 184, 196, 208, 224, 299, 322, 343, 364, 368, 392, 416, 448, 598, 637, 644, 686, 728, 736, 784, 832, 896, 1127, 1196, 1274, 1288, 1372, 1456, 1472, 1568, 1664, 2093, 2254, 2392, 2401, 2548, 2576, 2744, 2912, 2944, 3136, 4186, 4459, 4508, 4784, 4802, 5096, 5152, 5488, 5824, 6272, 7889, 8372, 8918, 9016, 9568, 9604, 10192, 10304, 10976, 11648, 14651, 15778, 16744, 16807, 17836, 18032, 19136, 19208, 20384, 20608, 21952, 29302, 31213, 31556, 33488, 33614, 35672, 36064, 38272, 38416, 40768, 43904, 55223, 58604, 62426, 63112, 66976, 67228, 71344, 72128, 76832, 81536, 102557, 110446, 117208, 124852, 126224, 133952, 134456, 142688, 144256, 153664, 205114, 218491, 220892, 234416, 249704, 252448, 267904, 268912, 285376, 307328, 386561, 410228, 436982, 441784, 468832, 499408, 504896, 537824, 570752, 717899, 773122, 820456, 873964, 883568, 937664, 998816, 1009792, 1075648, 1435798, 1546244, 1640912, 1747928, 1767136, 1875328, 1997632, 2151296, 2871596, 3092488, 3281824, 3495856, 3534272, 3995264, 5025293, 5743192, 6184976, 6563648, 6991712, 7068544, 10050586, 11486384, 12369952, 13127296, 13983424, 20101172, 22972768, 24739904, 27966848, 40202344, 45945536, 49479808, 80404688, 91891072, 160809376, 321618752, 643237504]

約数ペア:

[(1, 643237504), (2, 321618752), (4, 160809376), (7, 91891072), (8, 80404688), (13, 49479808), (14, 45945536), (16, 40202344), (23, 27966848), (26, 24739904), (28, 22972768), (32, 20101172), (46, 13983424), (49, 13127296), (52, 12369952), (56, 11486384), (64, 10050586), (91, 7068544), (92, 6991712), (98, 6563648), (104, 6184976), (112, 5743192), (128, 5025293), (161, 3995264), (182, 3534272), (184, 3495856), (196, 3281824), (208, 3092488), (224, 2871596), (299, 2151296), (322, 1997632), (343, 1875328), (364, 1767136), (368, 1747928), (392, 1640912), (416, 1546244), (448, 1435798), (598, 1075648), (637, 1009792), (644, 998816), (686, 937664), (728, 883568), (736, 873964), (784, 820456), (832, 773122), (896, 717899), (1127, 570752), (1196, 537824), (1274, 504896), (1288, 499408), (1372, 468832), (1456, 441784), (1472, 436982), (1568, 410228), (1664, 386561), (2093, 307328), (2254, 285376), (2392, 268912), (2401, 267904), (2548, 252448), (2576, 249704), (2744, 234416), (2912, 220892), (2944, 218491), (3136, 205114), (4186, 153664), (4459, 144256), (4508, 142688), (4784, 134456), (4802, 133952), (5096, 126224), (5152, 124852), (5488, 117208), (5824, 110446), (6272, 102557), (7889, 81536), (8372, 76832), (8918, 72128), (9016, 71344), (9568, 67228), (9604, 66976), (10192, 63112), (10304, 62426), (10976, 58604), (11648, 55223), (14651, 43904), (15778, 40768), (16744, 38416), (16807, 38272), (17836, 36064), (18032, 35672), (19136, 33614), (19208, 33488), (20384, 31556), (20608, 31213), (21952, 29302)]