28157297

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1667}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 34160640

約数和(自身を除く): 6003343

約数列:

[1, 7, 19, 127, 133, 889, 1667, 2413, 11669, 16891, 31673, 211709, 221711, 1481963, 4022471, 28157297]

約数ペア:

[(1, 28157297), (7, 4022471), (19, 1481963), (127, 221711), (133, 211709), (889, 31673), (1667, 16891), (2413, 11669)]