205016656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{985657}}^1$

素因数の和:985678

約数の個数: 20

約数和(自身を含む): 427775572

約数和(自身を除く): 222758916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 985657, 1971314, 3942628, 7885256, 12813541, 15770512, 25627082, 51254164, 102508328, 205016656]

約数ペア:

[(1, 205016656), (2, 102508328), (4, 51254164), (8, 25627082), (13, 15770512), (16, 12813541), (26, 7885256), (52, 3942628), (104, 1971314), (208, 985657)]