256580576

素因数分解:

$2^5\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4457}}^1$

素因数の和:4731

約数の個数: 48

約数和(自身を含む): 579682656

約数和(自身を除く): 323102080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 257, 514, 1028, 1799, 2056, 3598, 4112, 4457, 7196, 8224, 8914, 14392, 17828, 28784, 31199, 35656, 57568, 62398, 71312, 124796, 142624, 249592, 499184, 998368, 1145449, 2290898, 4581796, 8018143, 9163592, 16036286, 18327184, 32072572, 36654368, 64145144, 128290288, 256580576]

約数ペア:

[(1, 256580576), (2, 128290288), (4, 64145144), (7, 36654368), (8, 32072572), (14, 18327184), (16, 16036286), (28, 9163592), (32, 8018143), (56, 4581796), (112, 2290898), (224, 1145449), (257, 998368), (514, 499184), (1028, 249592), (1799, 142624), (2056, 124796), (3598, 71312), (4112, 62398), (4457, 57568), (7196, 35656), (8224, 31199), (8914, 28784), (14392, 17828)]