258343145137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1\times {\mathrm{23663}}^1$

素因数の和:25749

約数の個数: 32

約数和(自身を含む): 326804004864

約数和(自身を除く): 68460859727

約数列:

[1, 7, 11, 71, 77, 497, 781, 1997, 5467, 13979, 21967, 23663, 141787, 153769, 165641, 260293, 992509, 1559657, 1680073, 1822051, 10917599, 11760511, 18480803, 47255011, 129365621, 330785077, 519805121, 3355105781, 3638635847, 23485740467, 36906163591, 258343145137]

約数ペア:

[(1, 258343145137), (7, 36906163591), (11, 23485740467), (71, 3638635847), (77, 3355105781), (497, 519805121), (781, 330785077), (1997, 129365621), (5467, 47255011), (13979, 18480803), (21967, 11760511), (23663, 10917599), (141787, 1822051), (153769, 1680073), (165641, 1559657), (260293, 992509)]