2886247

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3792096

約数和(自身を除く): 905849

約数列:

[1, 7, 13, 23, 49, 91, 161, 197, 299, 637, 1127, 1379, 2093, 2561, 4531, 9653, 14651, 17927, 31717, 58903, 125489, 222019, 412321, 2886247]

約数ペア:

[(1, 2886247), (7, 412321), (13, 222019), (23, 125489), (49, 58903), (91, 31717), (161, 17927), (197, 14651), (299, 9653), (637, 4531), (1127, 2561), (1379, 2093)]