2438821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 3202560

約数和(自身を除く): 763739

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1667, 11669, 18337, 31673, 128359, 221711, 348403, 2438821]

約数ペア:

[(1, 2438821), (7, 348403), (11, 221711), (19, 128359), (77, 31673), (133, 18337), (209, 11669), (1463, 1667)]