66919349

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71879}}^1$

素因数の和:71912

約数の個数: 12

約数和(自身を含む): 81943200

約数和(自身を除く): 15023851

約数列:

[1, 7, 19, 49, 133, 931, 71879, 503153, 1365701, 3522071, 9559907, 66919349]

約数ペア:

[(1, 66919349), (7, 9559907), (19, 3522071), (49, 1365701), (133, 503153), (931, 71879)]