217960009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{5147}}^1$

素因数の和:5264

約数の個数: 16

約数和(自身を含む): 240185088

約数和(自身を除く): 22225079

約数列:

[1, 17, 47, 53, 799, 901, 2491, 5147, 42347, 87499, 241909, 272791, 4112453, 4637447, 12821177, 217960009]

約数ペア:

[(1, 217960009), (17, 12821177), (47, 4637447), (53, 4112453), (799, 272791), (901, 241909), (2491, 87499), (5147, 42347)]