208256256

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 686354760

約数和(自身を除く): 478098504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 64, 68, 72, 78, 96, 102, 104, 117, 128, 136, 144, 153, 156, 192, 204, 208, 221, 234, 256, 272, 288, 306, 312, 384, 408, 409, 416, 442, 468, 544, 576, 612, 624, 663, 768, 816, 818, 832, 884, 936, 1088, 1152, 1224, 1227, 1248, 1326, 1632, 1636, 1664, 1768, 1872, 1989, 2176, 2304, 2448, 2454, 2496, 2652, 3264, 3272, 3328, 3536, 3681, 3744, 3978, 4352, 4896, 4908, 4992, 5304, 5317, 6528, 6544, 6953, 7072, 7362, 7488, 7956, 9792, 9816, 9984, 10608, 10634, 13056, 13088, 13906, 14144, 14724, 14976, 15912, 15951, 19584, 19632, 20859, 21216, 21268, 26176, 27812, 28288, 29448, 29952, 31824, 31902, 39168, 39264, 41718, 42432, 42536, 47853, 52352, 55624, 56576, 58896, 62577, 63648, 63804, 78528, 83436, 84864, 85072, 90389, 95706, 104704, 111248, 117792, 125154, 127296, 127608, 157056, 166872, 169728, 170144, 180778, 191412, 222496, 235584, 250308, 254592, 255216, 271167, 314112, 333744, 340288, 361556, 382824, 444992, 471168, 500616, 509184, 510432, 542334, 667488, 680576, 723112, 765648, 813501, 889984, 942336, 1001232, 1020864, 1084668, 1334976, 1361152, 1446224, 1531296, 1627002, 1779968, 2002464, 2041728, 2169336, 2669952, 2892448, 3062592, 3254004, 4004928, 4083456, 4338672, 5339904, 5784896, 6125184, 6508008, 8009856, 8677344, 11569792, 12250368, 13016016, 16019712, 17354688, 23139584, 26032032, 34709376, 52064064, 69418752, 104128128, 208256256]

約数ペア:

[(1, 208256256), (2, 104128128), (3, 69418752), (4, 52064064), (6, 34709376), (8, 26032032), (9, 23139584), (12, 17354688), (13, 16019712), (16, 13016016), (17, 12250368), (18, 11569792), (24, 8677344), (26, 8009856), (32, 6508008), (34, 6125184), (36, 5784896), (39, 5339904), (48, 4338672), (51, 4083456), (52, 4004928), (64, 3254004), (68, 3062592), (72, 2892448), (78, 2669952), (96, 2169336), (102, 2041728), (104, 2002464), (117, 1779968), (128, 1627002), (136, 1531296), (144, 1446224), (153, 1361152), (156, 1334976), (192, 1084668), (204, 1020864), (208, 1001232), (221, 942336), (234, 889984), (256, 813501), (272, 765648), (288, 723112), (306, 680576), (312, 667488), (384, 542334), (408, 510432), (409, 509184), (416, 500616), (442, 471168), (468, 444992), (544, 382824), (576, 361556), (612, 340288), (624, 333744), (663, 314112), (768, 271167), (816, 255216), (818, 254592), (832, 250308), (884, 235584), (936, 222496), (1088, 191412), (1152, 180778), (1224, 170144), (1227, 169728), (1248, 166872), (1326, 157056), (1632, 127608), (1636, 127296), (1664, 125154), (1768, 117792), (1872, 111248), (1989, 104704), (2176, 95706), (2304, 90389), (2448, 85072), (2454, 84864), (2496, 83436), (2652, 78528), (3264, 63804), (3272, 63648), (3328, 62577), (3536, 58896), (3681, 56576), (3744, 55624), (3978, 52352), (4352, 47853), (4896, 42536), (4908, 42432), (4992, 41718), (5304, 39264), (5317, 39168), (6528, 31902), (6544, 31824), (6953, 29952), (7072, 29448), (7362, 28288), (7488, 27812), (7956, 26176), (9792, 21268), (9816, 21216), (9984, 20859), (10608, 19632), (10634, 19584), (13056, 15951), (13088, 15912), (13906, 14976), (14144, 14724)]