128825377

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 18

約数和(自身を含む): 139919202

約数和(自身を除く): 11093825

約数列:

[1, 19, 43, 193, 361, 817, 1849, 3667, 8299, 15523, 35131, 69673, 157681, 356857, 667489, 2995939, 6780283, 128825377]

約数ペア:

[(1, 128825377), (19, 6780283), (43, 2995939), (193, 667489), (361, 356857), (817, 157681), (1849, 69673), (3667, 35131), (8299, 15523)]