28761887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1$

素因数の和:5350

約数の個数: 16

約数和(自身を含む): 36370944

約数和(自身を除く): 7609057

約数列:

[1, 7, 11, 71, 77, 497, 781, 5261, 5467, 36827, 57871, 373531, 405097, 2614717, 4108841, 28761887]

約数ペア:

[(1, 28761887), (7, 4108841), (11, 2614717), (71, 405097), (77, 373531), (497, 57871), (781, 36827), (5261, 5467)]