397375888

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 975270912

約数和(自身を除く): 577895024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 127, 182, 196, 208, 254, 307, 364, 392, 508, 614, 637, 728, 784, 889, 1016, 1228, 1274, 1456, 1651, 1778, 2032, 2149, 2456, 2548, 3302, 3556, 3991, 4298, 4912, 5096, 6223, 6604, 7112, 7982, 8596, 10192, 11557, 12446, 13208, 14224, 15043, 15964, 17192, 23114, 24892, 26416, 27937, 30086, 31928, 34384, 38989, 46228, 49784, 55874, 60172, 63856, 77978, 80899, 92456, 99568, 111748, 120344, 155956, 161798, 184912, 195559, 223496, 240688, 272923, 311912, 323596, 391118, 446992, 506857, 545846, 623824, 647192, 782236, 1013714, 1091692, 1294384, 1564472, 1910461, 2027428, 2183384, 3128944, 3547999, 3820922, 4054856, 4366768, 7095998, 7641844, 8109712, 14191996, 15283688, 24835993, 28383992, 30567376, 49671986, 56767984, 99343972, 198687944, 397375888]

約数ペア:

[(1, 397375888), (2, 198687944), (4, 99343972), (7, 56767984), (8, 49671986), (13, 30567376), (14, 28383992), (16, 24835993), (26, 15283688), (28, 14191996), (49, 8109712), (52, 7641844), (56, 7095998), (91, 4366768), (98, 4054856), (104, 3820922), (112, 3547999), (127, 3128944), (182, 2183384), (196, 2027428), (208, 1910461), (254, 1564472), (307, 1294384), (364, 1091692), (392, 1013714), (508, 782236), (614, 647192), (637, 623824), (728, 545846), (784, 506857), (889, 446992), (1016, 391118), (1228, 323596), (1274, 311912), (1456, 272923), (1651, 240688), (1778, 223496), (2032, 195559), (2149, 184912), (2456, 161798), (2548, 155956), (3302, 120344), (3556, 111748), (3991, 99568), (4298, 92456), (4912, 80899), (5096, 77978), (6223, 63856), (6604, 60172), (7112, 55874), (7982, 49784), (8596, 46228), (10192, 38989), (11557, 34384), (12446, 31928), (13208, 30086), (14224, 27937), (15043, 26416), (15964, 24892), (17192, 23114)]