254757244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1987}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 538827520

約数和(自身を除く): 284070276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 241, 266, 482, 532, 964, 1687, 1987, 3374, 3974, 4579, 6748, 7948, 9158, 13909, 18316, 27818, 32053, 37753, 55636, 64106, 75506, 128212, 151012, 264271, 478867, 528542, 957734, 1057084, 1915468, 3352069, 6704138, 9098473, 13408276, 18196946, 36393892, 63689311, 127378622, 254757244]

約数ペア:

[(1, 254757244), (2, 127378622), (4, 63689311), (7, 36393892), (14, 18196946), (19, 13408276), (28, 9098473), (38, 6704138), (76, 3352069), (133, 1915468), (241, 1057084), (266, 957734), (482, 528542), (532, 478867), (964, 264271), (1687, 151012), (1987, 128212), (3374, 75506), (3974, 64106), (4579, 55636), (6748, 37753), (7948, 32053), (9158, 27818), (13909, 18316)]