206544989

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 254119680

約数和(自身を除く): 47574691

約数列:

[1, 7, 29, 37, 107, 203, 257, 259, 749, 1073, 1799, 3103, 3959, 7453, 7511, 9509, 21721, 27499, 27713, 52171, 66563, 114811, 192493, 275761, 797471, 803677, 1017463, 1930327, 5582297, 7122241, 29506427, 206544989]

約数ペア:

[(1, 206544989), (7, 29506427), (29, 7122241), (37, 5582297), (107, 1930327), (203, 1017463), (257, 803677), (259, 797471), (749, 275761), (1073, 192493), (1799, 114811), (3103, 66563), (3959, 52171), (7453, 27713), (7511, 27499), (9509, 21721)]