198786721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{34759}}^1$

素因数の和:34828

約数の個数: 16

約数和(自身を含む): 244710400

約数和(自身を除く): 45923679

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 34759, 243313, 660421, 1494637, 4622947, 10462459, 28398103, 198786721]

約数ペア:

[(1, 198786721), (7, 28398103), (19, 10462459), (43, 4622947), (133, 1494637), (301, 660421), (817, 243313), (5719, 34759)]