218123005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 69277955

約数列:

[1, 5, 17, 47, 71, 85, 235, 355, 769, 799, 1207, 3337, 3845, 3995, 6035, 13073, 16685, 36143, 54599, 56729, 65365, 180715, 272995, 283645, 614431, 928183, 2566153, 3072155, 4640915, 12830765, 43624601, 218123005]

約数ペア:

[(1, 218123005), (5, 43624601), (17, 12830765), (47, 4640915), (71, 3072155), (85, 2566153), (235, 928183), (355, 614431), (769, 283645), (799, 272995), (1207, 180715), (3337, 65365), (3845, 56729), (3995, 54599), (6035, 36143), (13073, 16685)]