7872821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 9139200

約数和(自身を除く): 1266379

約数列:

[1, 11, 19, 139, 209, 271, 1529, 2641, 2981, 5149, 29051, 37669, 56639, 414359, 715711, 7872821]

約数ペア:

[(1, 7872821), (11, 715711), (19, 414359), (139, 56639), (209, 37669), (271, 29051), (1529, 5149), (2641, 2981)]