81535118

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43789}}^1$

素因数の和:43824

約数の個数: 24

約数和(自身を含む): 149761800

約数和(自身を除く): 68226682

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 43789, 87578, 306523, 613046, 831991, 1663982, 2145661, 4291322, 5823937, 11647874, 40767559, 81535118]

約数ペア:

[(1, 81535118), (2, 40767559), (7, 11647874), (14, 5823937), (19, 4291322), (38, 2145661), (49, 1663982), (98, 831991), (133, 613046), (266, 306523), (931, 87578), (1862, 43789)]