256348547

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17497}}^1$

素因数の和:17547

約数の個数: 24

約数和(自身を含む): 335121696

約数和(自身を除く): 78773149

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 17497, 122479, 227461, 402431, 857353, 1592227, 2817017, 5231603, 11145589, 19719119, 36621221, 256348547]

約数ペア:

[(1, 256348547), (7, 36621221), (13, 19719119), (23, 11145589), (49, 5231603), (91, 2817017), (161, 1592227), (299, 857353), (637, 402431), (1127, 227461), (2093, 122479), (14651, 17497)]