28128254

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 54295920

約数和(自身を除く): 26167666

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 97, 98, 154, 194, 269, 538, 539, 679, 1067, 1078, 1358, 1883, 2134, 2959, 3766, 4753, 5918, 7469, 9506, 13181, 14938, 20713, 26093, 26362, 41426, 52186, 52283, 104566, 144991, 182651, 287023, 289982, 365302, 574046, 1278557, 2009161, 2557114, 4018322, 14064127, 28128254]

約数ペア:

[(1, 28128254), (2, 14064127), (7, 4018322), (11, 2557114), (14, 2009161), (22, 1278557), (49, 574046), (77, 365302), (97, 289982), (98, 287023), (154, 182651), (194, 144991), (269, 104566), (538, 52283), (539, 52186), (679, 41426), (1067, 26362), (1078, 26093), (1358, 20713), (1883, 14938), (2134, 13181), (2959, 9506), (3766, 7469), (4753, 5918)]