257991936

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{5507}}^1$

素因数の和:5587

約数の個数: 72

約数和(自身を含む): 698017824

約数和(自身を除く): 440025888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 488, 732, 768, 976, 1464, 1952, 2928, 3904, 5507, 5856, 7808, 11014, 11712, 15616, 16521, 22028, 23424, 33042, 44056, 46848, 66084, 88112, 132168, 176224, 264336, 335927, 352448, 528672, 671854, 704896, 1007781, 1057344, 1343708, 1409792, 2015562, 2114688, 2687416, 4031124, 4229376, 5374832, 8062248, 10749664, 16124496, 21499328, 32248992, 42998656, 64497984, 85997312, 128995968, 257991936]

約数ペア:

[(1, 257991936), (2, 128995968), (3, 85997312), (4, 64497984), (6, 42998656), (8, 32248992), (12, 21499328), (16, 16124496), (24, 10749664), (32, 8062248), (48, 5374832), (61, 4229376), (64, 4031124), (96, 2687416), (122, 2114688), (128, 2015562), (183, 1409792), (192, 1343708), (244, 1057344), (256, 1007781), (366, 704896), (384, 671854), (488, 528672), (732, 352448), (768, 335927), (976, 264336), (1464, 176224), (1952, 132168), (2928, 88112), (3904, 66084), (5507, 46848), (5856, 44056), (7808, 33042), (11014, 23424), (11712, 22028), (15616, 16521)]