12821042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15907}}^1$

素因数の和:15953

約数の個数: 16

約数和(自身を含む): 21380352

約数和(自身を除く): 8559310

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 15907, 31814, 206791, 413582, 493117, 986234, 6410521, 12821042]

約数ペア:

[(1, 12821042), (2, 6410521), (13, 986234), (26, 493117), (31, 413582), (62, 206791), (403, 31814), (806, 15907)]