81789194

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{2237}}^1$

素因数の和:2521

約数の個数: 16

約数和(自身を含む): 124638696

約数和(自身を除く): 42849502

約数列:

[1, 2, 101, 181, 202, 362, 2237, 4474, 18281, 36562, 225937, 404897, 451874, 809794, 40894597, 81789194]

約数ペア:

[(1, 81789194), (2, 40894597), (101, 809794), (181, 451874), (202, 404897), (362, 225937), (2237, 36562), (4474, 18281)]