218215927

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12979}}^1$

素因数の和:13062

約数の個数: 16

約数和(自身を含む): 246723840

約数和(自身を除く): 28507913

約数列:

[1, 17, 23, 43, 391, 731, 989, 12979, 16813, 220643, 298517, 558097, 5074789, 9487649, 12836231, 218215927]

約数ペア:

[(1, 218215927), (17, 12836231), (23, 9487649), (43, 5074789), (391, 558097), (731, 298517), (989, 220643), (12979, 16813)]