128898262

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{3853}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 198403920

約数和(自身を除く): 69505658

約数列:

[1, 2, 43, 86, 389, 778, 3853, 7706, 16727, 33454, 165679, 331358, 1498817, 2997634, 64449131, 128898262]

約数ペア:

[(1, 128898262), (2, 64449131), (43, 2997634), (86, 1498817), (389, 331358), (778, 165679), (3853, 33454), (7706, 16727)]