287510938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 526321152

約数和(自身を除く): 238810214

約数列:

[1, 2, 11, 13, 22, 26, 47, 73, 94, 143, 146, 286, 293, 517, 586, 611, 803, 949, 1034, 1222, 1606, 1898, 3223, 3431, 3809, 6446, 6721, 6862, 7618, 10439, 13442, 13771, 20878, 21389, 27542, 37741, 41899, 42778, 44603, 75482, 83798, 89206, 151481, 179023, 235279, 278057, 302962, 358046, 470558, 490633, 556114, 981266, 1005283, 1969253, 2010566, 3058627, 3938506, 6117254, 11058113, 13068679, 22116226, 26137358, 143755469, 287510938]

約数ペア:

[(1, 287510938), (2, 143755469), (11, 26137358), (13, 22116226), (22, 13068679), (26, 11058113), (47, 6117254), (73, 3938506), (94, 3058627), (143, 2010566), (146, 1969253), (286, 1005283), (293, 981266), (517, 556114), (586, 490633), (611, 470558), (803, 358046), (949, 302962), (1034, 278057), (1222, 235279), (1606, 179023), (1898, 151481), (3223, 89206), (3431, 83798), (3809, 75482), (6446, 44603), (6721, 42778), (6862, 41899), (7618, 37741), (10439, 27542), (13442, 21389), (13771, 20878)]