257329072

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16067}}^1$

素因数の和:16106

約数の個数: 80

約数和(自身を含む): 669457152

約数和(自身を除く): 412128080

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 16016, 16067, 32134, 64268, 112469, 128536, 176737, 208871, 224938, 257072, 353474, 417742, 449876, 706948, 835484, 899752, 1237159, 1413896, 1462097, 1670968, 1799504, 2297581, 2474318, 2827792, 2924194, 3341936, 4595162, 4948636, 5848388, 9190324, 9897272, 11696776, 16083067, 18380648, 19794544, 23393552, 32166134, 36761296, 64332268, 128664536, 257329072]

約数ペア:

[(1, 257329072), (2, 128664536), (4, 64332268), (7, 36761296), (8, 32166134), (11, 23393552), (13, 19794544), (14, 18380648), (16, 16083067), (22, 11696776), (26, 9897272), (28, 9190324), (44, 5848388), (52, 4948636), (56, 4595162), (77, 3341936), (88, 2924194), (91, 2827792), (104, 2474318), (112, 2297581), (143, 1799504), (154, 1670968), (176, 1462097), (182, 1413896), (208, 1237159), (286, 899752), (308, 835484), (364, 706948), (572, 449876), (616, 417742), (728, 353474), (1001, 257072), (1144, 224938), (1232, 208871), (1456, 176737), (2002, 128536), (2288, 112469), (4004, 64268), (8008, 32134), (16016, 16067)]