257475512

素因数分解:

$2^3\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{2411}}^1$

素因数の和:4331

約数の個数: 32

約数和(自身を含む): 552251520

約数和(自身を除く): 294776008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1907, 2411, 3814, 4822, 7628, 9644, 13349, 15256, 16877, 19288, 26698, 33754, 53396, 67508, 106792, 135016, 4597777, 9195554, 18391108, 32184439, 36782216, 64368878, 128737756, 257475512]

約数ペア:

[(1, 257475512), (2, 128737756), (4, 64368878), (7, 36782216), (8, 32184439), (14, 18391108), (28, 9195554), (56, 4597777), (1907, 135016), (2411, 106792), (3814, 67508), (4822, 53396), (7628, 33754), (9644, 26698), (13349, 19288), (15256, 16877)]