81364976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 198106368

約数和(自身を除く): 116741392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 211, 308, 313, 422, 616, 626, 844, 1232, 1252, 1477, 1688, 2191, 2321, 2504, 2954, 3376, 3443, 4382, 4642, 5008, 5908, 6886, 8764, 9284, 11816, 13772, 16247, 17528, 18568, 23632, 24101, 27544, 32494, 35056, 37136, 48202, 55088, 64988, 66043, 96404, 129976, 132086, 192808, 259952, 264172, 385616, 462301, 528344, 726473, 924602, 1056688, 1452946, 1849204, 2905892, 3698408, 5085311, 5811784, 7396816, 10170622, 11623568, 20341244, 40682488, 81364976]

約数ペア:

[(1, 81364976), (2, 40682488), (4, 20341244), (7, 11623568), (8, 10170622), (11, 7396816), (14, 5811784), (16, 5085311), (22, 3698408), (28, 2905892), (44, 1849204), (56, 1452946), (77, 1056688), (88, 924602), (112, 726473), (154, 528344), (176, 462301), (211, 385616), (308, 264172), (313, 259952), (422, 192808), (616, 132086), (626, 129976), (844, 96404), (1232, 66043), (1252, 64988), (1477, 55088), (1688, 48202), (2191, 37136), (2321, 35056), (2504, 32494), (2954, 27544), (3376, 24101), (3443, 23632), (4382, 18568), (4642, 17528), (5008, 16247), (5908, 13772), (6886, 11816), (8764, 9284)]