257562756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21033

約数の個数: 72

約数和(自身を含む): 733195008

約数和(自身を除く): 475632252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 3069, 4092, 6138, 12276, 20981, 41962, 62943, 83924, 125886, 188829, 230791, 251772, 377658, 461582, 650411, 692373, 755316, 923164, 1300822, 1384746, 1951233, 2077119, 2601644, 2769492, 3902466, 4154238, 5853699, 7154521, 7804932, 8308476, 11707398, 14309042, 21463563, 23414796, 28618084, 42927126, 64390689, 85854252, 128781378, 257562756]

約数ペア:

[(1, 257562756), (2, 128781378), (3, 85854252), (4, 64390689), (6, 42927126), (9, 28618084), (11, 23414796), (12, 21463563), (18, 14309042), (22, 11707398), (31, 8308476), (33, 7804932), (36, 7154521), (44, 5853699), (62, 4154238), (66, 3902466), (93, 2769492), (99, 2601644), (124, 2077119), (132, 1951233), (186, 1384746), (198, 1300822), (279, 923164), (341, 755316), (372, 692373), (396, 650411), (558, 461582), (682, 377658), (1023, 251772), (1116, 230791), (1364, 188829), (2046, 125886), (3069, 83924), (4092, 62943), (6138, 41962), (12276, 20981)]