81155312

素因数分解:

$2^4\times 7^1\times {\mathrm{724601}}^1$

素因数の和:724616

約数の個数: 20

約数和(自身を含む): 179701296

約数和(自身を除く): 98545984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724601, 1449202, 2898404, 5072207, 5796808, 10144414, 11593616, 20288828, 40577656, 81155312]

約数ペア:

[(1, 81155312), (2, 40577656), (4, 20288828), (7, 11593616), (8, 10144414), (14, 5796808), (16, 5072207), (28, 2898404), (56, 1449202), (112, 724601)]