311919872

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 683448192

約数和(自身を除く): 371528320

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 257, 352, 431, 514, 704, 862, 1028, 1408, 1724, 2056, 2816, 2827, 3448, 4112, 4741, 5654, 6896, 8224, 9482, 11308, 13792, 16448, 18964, 22616, 27584, 32896, 37928, 45232, 55168, 65792, 75856, 90464, 110336, 110767, 151712, 180928, 221534, 303424, 361856, 443068, 606848, 723712, 886136, 1213696, 1218437, 1772272, 2436874, 3544544, 4873748, 7089088, 9747496, 14178176, 19494992, 28356352, 38989984, 77979968, 155959936, 311919872]

約数ペア:

[(1, 311919872), (2, 155959936), (4, 77979968), (8, 38989984), (11, 28356352), (16, 19494992), (22, 14178176), (32, 9747496), (44, 7089088), (64, 4873748), (88, 3544544), (128, 2436874), (176, 1772272), (256, 1218437), (257, 1213696), (352, 886136), (431, 723712), (514, 606848), (704, 443068), (862, 361856), (1028, 303424), (1408, 221534), (1724, 180928), (2056, 151712), (2816, 110767), (2827, 110336), (3448, 90464), (4112, 75856), (4741, 65792), (5654, 55168), (6896, 45232), (8224, 37928), (9482, 32896), (11308, 27584), (13792, 22616), (16448, 18964)]