256455892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4813}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 562891392

約数和(自身を除く): 306435500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 173, 308, 346, 692, 1211, 1903, 2422, 3806, 4813, 4844, 7612, 9626, 13321, 19252, 26642, 33691, 52943, 53284, 67382, 105886, 134764, 211772, 370601, 741202, 832649, 1482404, 1665298, 3330596, 5828543, 9159139, 11657086, 18318278, 23314172, 36636556, 64113973, 128227946, 256455892]

約数ペア:

[(1, 256455892), (2, 128227946), (4, 64113973), (7, 36636556), (11, 23314172), (14, 18318278), (22, 11657086), (28, 9159139), (44, 5828543), (77, 3330596), (154, 1665298), (173, 1482404), (308, 832649), (346, 741202), (692, 370601), (1211, 211772), (1903, 134764), (2422, 105886), (3806, 67382), (4813, 53284), (4844, 52943), (7612, 33691), (9626, 26642), (13321, 19252)]