81540508

素因数分解:

$2^2\times 7^2\times {\mathrm{416023}}^1$

素因数の和:416041

約数の個数: 18

約数和(自身を含む): 165993576

約数和(自身を除く): 84453068

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 416023, 832046, 1664092, 2912161, 5824322, 11648644, 20385127, 40770254, 81540508]

約数ペア:

[(1, 81540508), (2, 40770254), (4, 20385127), (7, 11648644), (14, 5824322), (28, 2912161), (49, 1664092), (98, 832046), (196, 416023)]