221198045188

素因数分解:

$2^2\times {\mathrm{19489}}^1\times {\mathrm{2837473}}^1$

素因数の和:2856966

約数の個数: 12

約数和(自身を含む): 387116577820

約数和(自身を除く): 165918532632

約数列:

[1, 2, 4, 19489, 38978, 77956, 2837473, 5674946, 11349892, 55299511297, 110599022594, 221198045188]

約数ペア:

[(1, 221198045188), (2, 110599022594), (4, 55299511297), (19489, 11349892), (38978, 5674946), (77956, 2837473)]