393248416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{25981}}^1$

素因数の和:26045

約数の個数: 48

約数和(自身を含む): 864265248

約数和(自身を除く): 471016832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1892, 3784, 7568, 15136, 25981, 51962, 103924, 207848, 285791, 415696, 571582, 831392, 1117183, 1143164, 2234366, 2286328, 4468732, 4572656, 8937464, 9145312, 12289013, 17874928, 24578026, 35749856, 49156052, 98312104, 196624208, 393248416]

約数ペア:

[(1, 393248416), (2, 196624208), (4, 98312104), (8, 49156052), (11, 35749856), (16, 24578026), (22, 17874928), (32, 12289013), (43, 9145312), (44, 8937464), (86, 4572656), (88, 4468732), (172, 2286328), (176, 2234366), (344, 1143164), (352, 1117183), (473, 831392), (688, 571582), (946, 415696), (1376, 285791), (1892, 207848), (3784, 103924), (7568, 51962), (15136, 25981)]