81486828

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{4447}}^1$

素因数の和:4966

約数の個数: 36

約数和(自身を含む): 206431680

約数和(自身を除く): 124944852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1527, 2036, 3054, 4447, 4581, 6108, 8894, 9162, 13341, 17788, 18324, 26682, 40023, 53364, 80046, 160092, 2263523, 4527046, 6790569, 9054092, 13581138, 20371707, 27162276, 40743414, 81486828]

約数ペア:

[(1, 81486828), (2, 40743414), (3, 27162276), (4, 20371707), (6, 13581138), (9, 9054092), (12, 6790569), (18, 4527046), (36, 2263523), (509, 160092), (1018, 80046), (1527, 53364), (2036, 40023), (3054, 26682), (4447, 18324), (4581, 17788), (6108, 13341), (8894, 9162)]