640938953

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1\times {\mathrm{881}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 684827136

約数和(自身を除く): 43888183

約数列:

[1, 23, 47, 673, 881, 1081, 15479, 20263, 31631, 41407, 592913, 727513, 952361, 13636999, 27866911, 640938953]

約数ペア:

[(1, 640938953), (23, 27866911), (47, 13636999), (673, 952361), (881, 727513), (1081, 592913), (15479, 41407), (20263, 31631)]