255712688

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18869}}^1$

素因数の和:18906

約数の個数: 60

約数和(自身を含む): 622408080

約数和(自身を除く): 366695392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 18869, 37738, 75476, 132083, 150952, 207559, 264166, 301904, 415118, 528332, 830236, 1056664, 1452913, 1660472, 2113328, 2283149, 2905826, 3320944, 4566298, 5811652, 9132596, 11623304, 15982043, 18265192, 23246608, 31964086, 36530384, 63928172, 127856344, 255712688]

約数ペア:

[(1, 255712688), (2, 127856344), (4, 63928172), (7, 36530384), (8, 31964086), (11, 23246608), (14, 18265192), (16, 15982043), (22, 11623304), (28, 9132596), (44, 5811652), (56, 4566298), (77, 3320944), (88, 2905826), (112, 2283149), (121, 2113328), (154, 1660472), (176, 1452913), (242, 1056664), (308, 830236), (484, 528332), (616, 415118), (847, 301904), (968, 264166), (1232, 207559), (1694, 150952), (1936, 132083), (3388, 75476), (6776, 37738), (13552, 18869)]