256636042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{318407}}^1$

素因数の和:318453

約数の個数: 16

約数和(自身を含む): 427940352

約数和(自身を除く): 171304310

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 318407, 636814, 4139291, 8278582, 9870617, 19741234, 128318021, 256636042]

約数ペア:

[(1, 256636042), (2, 128318021), (13, 19741234), (26, 9870617), (31, 8278582), (62, 4139291), (403, 636814), (806, 318407)]