16683919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 21841920

約数和(自身を除く): 5158001

約数列:

[1, 7, 17, 19, 47, 119, 133, 157, 323, 329, 799, 893, 1099, 2261, 2669, 2983, 5593, 6251, 7379, 15181, 18683, 20881, 50711, 51653, 106267, 125443, 140201, 354977, 878101, 981407, 2383417, 16683919]

約数ペア:

[(1, 16683919), (7, 2383417), (17, 981407), (19, 878101), (47, 354977), (119, 140201), (133, 125443), (157, 106267), (323, 51653), (329, 50711), (799, 20881), (893, 18683), (1099, 15181), (2261, 7379), (2669, 6251), (2983, 5593)]