78428216

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{227989}}^1$

素因数の和:228038

約数の個数: 16

約数和(自身を含む): 150473400

約数和(自身を除く): 72045184

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 227989, 455978, 911956, 1823912, 9803527, 19607054, 39214108, 78428216]

約数ペア:

[(1, 78428216), (2, 39214108), (4, 19607054), (8, 9803527), (43, 1823912), (86, 911956), (172, 455978), (344, 227989)]