28901899

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 3019445

約数列:

[1, 13, 71, 173, 181, 923, 2249, 2353, 12283, 12851, 31313, 159679, 167063, 407069, 2223223, 28901899]

約数ペア:

[(1, 28901899), (13, 2223223), (71, 407069), (173, 167063), (181, 159679), (923, 31313), (2249, 12851), (2353, 12283)]