209225996917

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1\times {\mathrm{15809}}^1$

素因数の和:16777

約数の個数: 32

約数和(自身を含む): 250612531200

約数和(自身を除く): 41386534283

約数列:

[1, 7, 31, 71, 217, 497, 859, 2201, 6013, 15407, 15809, 26629, 60989, 110663, 186403, 426923, 490079, 1122439, 1890659, 3430553, 7857073, 13234613, 13579931, 34795609, 95059517, 243569263, 420977861, 964175101, 2946845027, 6749225707, 29889428131, 209225996917]

約数ペア:

[(1, 209225996917), (7, 29889428131), (31, 6749225707), (71, 2946845027), (217, 964175101), (497, 420977861), (859, 243569263), (2201, 95059517), (6013, 34795609), (15407, 13579931), (15809, 13234613), (26629, 7857073), (60989, 3430553), (110663, 1890659), (186403, 1122439), (426923, 490079)]