128475328

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 261865872

約数和(自身を除く): 133390544

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 107, 146, 214, 257, 292, 428, 514, 584, 856, 1028, 1168, 1712, 2056, 2336, 3424, 4112, 4672, 6848, 7811, 8224, 15622, 16448, 18761, 27499, 31244, 37522, 54998, 62488, 75044, 109996, 124976, 150088, 219992, 249952, 300176, 439984, 499904, 600352, 879968, 1200704, 1759936, 2007427, 4014854, 8029708, 16059416, 32118832, 64237664, 128475328]

約数ペア:

[(1, 128475328), (2, 64237664), (4, 32118832), (8, 16059416), (16, 8029708), (32, 4014854), (64, 2007427), (73, 1759936), (107, 1200704), (146, 879968), (214, 600352), (257, 499904), (292, 439984), (428, 300176), (514, 249952), (584, 219992), (856, 150088), (1028, 124976), (1168, 109996), (1712, 75044), (2056, 62488), (2336, 54998), (3424, 37522), (4112, 31244), (4672, 27499), (6848, 18761), (7811, 16448), (8224, 15622)]