81840008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 159218400

約数和(自身を除く): 77378392

約数列:

[1, 2, 4, 8, 43, 73, 86, 146, 172, 292, 344, 584, 3139, 3259, 6278, 6518, 12556, 13036, 25112, 26072, 140137, 237907, 280274, 475814, 560548, 951628, 1121096, 1903256, 10230001, 20460002, 40920004, 81840008]

約数ペア:

[(1, 81840008), (2, 40920004), (4, 20460002), (8, 10230001), (43, 1903256), (73, 1121096), (86, 951628), (146, 560548), (172, 475814), (292, 280274), (344, 237907), (584, 140137), (3139, 26072), (3259, 25112), (6278, 13036), (6518, 12556)]