257549508

素因数分解:

$2^2\times 3^2\times {\mathrm{839}}^1\times {\mathrm{8527}}^1$

素因数の和:9376

約数の個数: 36

約数和(自身を含む): 651880320

約数和(自身を除く): 394330812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 839, 1678, 2517, 3356, 5034, 7551, 8527, 10068, 15102, 17054, 25581, 30204, 34108, 51162, 76743, 102324, 153486, 306972, 7154153, 14308306, 21462459, 28616612, 42924918, 64387377, 85849836, 128774754, 257549508]

約数ペア:

[(1, 257549508), (2, 128774754), (3, 85849836), (4, 64387377), (6, 42924918), (9, 28616612), (12, 21462459), (18, 14308306), (36, 7154153), (839, 306972), (1678, 153486), (2517, 102324), (3356, 76743), (5034, 51162), (7551, 34108), (8527, 30204), (10068, 25581), (15102, 17054)]