256518976

素因数分解:

$2^6\times 7^1\times {\mathrm{572587}}^1$

素因数の和:572606

約数の個数: 28

約数和(自身を含む): 581749408

約数和(自身を除く): 325230432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 572587, 1145174, 2290348, 4008109, 4580696, 8016218, 9161392, 16032436, 18322784, 32064872, 36645568, 64129744, 128259488, 256518976]

約数ペア:

[(1, 256518976), (2, 128259488), (4, 64129744), (7, 36645568), (8, 32064872), (14, 18322784), (16, 16032436), (28, 9161392), (32, 8016218), (56, 4580696), (64, 4008109), (112, 2290348), (224, 1145174), (448, 572587)]