256474141

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{15937}}^1$

素因数の和:15985

約数の個数: 24

約数和(自身を含む): 339160640

約数和(自身を除く): 82686499

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 2299, 15937, 16093, 111559, 175307, 302803, 1227149, 1928377, 2119621, 3330833, 13498639, 23315831, 36639163, 256474141]

約数ペア:

[(1, 256474141), (7, 36639163), (11, 23315831), (19, 13498639), (77, 3330833), (121, 2119621), (133, 1928377), (209, 1227149), (847, 302803), (1463, 175307), (2299, 111559), (15937, 16093)]