257901756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{105871}}^1$

素因数の和:105914

約数の個数: 48

約数和(自身を含む): 711459840

約数和(自身を除く): 453558084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 105871, 211742, 317613, 423484, 635226, 741097, 1270452, 1482194, 2223291, 2964388, 3070259, 4446582, 6140518, 8893164, 9210777, 12281036, 18421554, 21491813, 36843108, 42983626, 64475439, 85967252, 128950878, 257901756]

約数ペア:

[(1, 257901756), (2, 128950878), (3, 85967252), (4, 64475439), (6, 42983626), (7, 36843108), (12, 21491813), (14, 18421554), (21, 12281036), (28, 9210777), (29, 8893164), (42, 6140518), (58, 4446582), (84, 3070259), (87, 2964388), (116, 2223291), (174, 1482194), (203, 1270452), (348, 741097), (406, 635226), (609, 423484), (812, 317613), (1218, 211742), (2436, 105871)]