205918636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{668567}}^1$

素因数の和:668589

約数の個数: 24

約数和(自身を含む): 449277696

約数和(自身を除く): 243359060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 668567, 1337134, 2674268, 4679969, 7354237, 9359938, 14708474, 18719876, 29416948, 51479659, 102959318, 205918636]

約数ペア:

[(1, 205918636), (2, 102959318), (4, 51479659), (7, 29416948), (11, 18719876), (14, 14708474), (22, 9359938), (28, 7354237), (44, 4679969), (77, 2674268), (154, 1337134), (308, 668567)]