215681618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{22901}}^1$

素因数の和:23197

約数の個数: 16

約数和(自身を含む): 343804824

約数和(自身を除く): 128123206

約数列:

[1, 2, 17, 34, 277, 554, 4709, 9418, 22901, 45802, 389317, 778634, 6343577, 12687154, 107840809, 215681618]

約数ペア:

[(1, 215681618), (2, 107840809), (17, 12687154), (34, 6343577), (277, 778634), (554, 389317), (4709, 45802), (9418, 22901)]