256046856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 743178240

約数和(自身を除く): 487131384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 104, 124, 138, 156, 184, 186, 248, 276, 299, 312, 372, 403, 552, 598, 713, 744, 806, 897, 1151, 1196, 1209, 1426, 1612, 1794, 2139, 2302, 2392, 2418, 2852, 3224, 3453, 3588, 4278, 4604, 4836, 5704, 6906, 7176, 8556, 9208, 9269, 9672, 13812, 14963, 17112, 18538, 26473, 27624, 27807, 29926, 35681, 37076, 44889, 52946, 55614, 59852, 71362, 74152, 79419, 89778, 105892, 107043, 111228, 119704, 142724, 158838, 179556, 211784, 214086, 222456, 285448, 317676, 344149, 359112, 428172, 463853, 635352, 688298, 820663, 856344, 927706, 1032447, 1376596, 1391559, 1641326, 1855412, 2064894, 2461989, 2753192, 2783118, 3282652, 3710824, 4129788, 4923978, 5566236, 6565304, 8259576, 9847956, 10668619, 11132472, 19695912, 21337238, 32005857, 42674476, 64011714, 85348952, 128023428, 256046856]

約数ペア:

[(1, 256046856), (2, 128023428), (3, 85348952), (4, 64011714), (6, 42674476), (8, 32005857), (12, 21337238), (13, 19695912), (23, 11132472), (24, 10668619), (26, 9847956), (31, 8259576), (39, 6565304), (46, 5566236), (52, 4923978), (62, 4129788), (69, 3710824), (78, 3282652), (92, 2783118), (93, 2753192), (104, 2461989), (124, 2064894), (138, 1855412), (156, 1641326), (184, 1391559), (186, 1376596), (248, 1032447), (276, 927706), (299, 856344), (312, 820663), (372, 688298), (403, 635352), (552, 463853), (598, 428172), (713, 359112), (744, 344149), (806, 317676), (897, 285448), (1151, 222456), (1196, 214086), (1209, 211784), (1426, 179556), (1612, 158838), (1794, 142724), (2139, 119704), (2302, 111228), (2392, 107043), (2418, 105892), (2852, 89778), (3224, 79419), (3453, 74152), (3588, 71362), (4278, 59852), (4604, 55614), (4836, 52946), (5704, 44889), (6906, 37076), (7176, 35681), (8556, 29926), (9208, 27807), (9269, 27624), (9672, 26473), (13812, 18538), (14963, 17112)]