223663984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{325093}}^1$

素因数の和:325144

約数の個数: 20

約数和(自身を含む): 443428216

約数和(自身を除く): 219764232

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 325093, 650186, 1300372, 2600744, 5201488, 13978999, 27957998, 55915996, 111831992, 223663984]

約数ペア:

[(1, 223663984), (2, 111831992), (4, 55915996), (8, 27957998), (16, 13978999), (43, 5201488), (86, 2600744), (172, 1300372), (344, 650186), (688, 325093)]