218722387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{10303}}^1$

素因数の和:10410

約数の個数: 16

約数和(自身を含む): 249274368

約数和(自身を除く): 30551981

約数列:

[1, 13, 23, 71, 299, 923, 1633, 10303, 21229, 133939, 236969, 731513, 3080597, 9509669, 16824799, 218722387]

約数ペア:

[(1, 218722387), (13, 16824799), (23, 9509669), (71, 3080597), (299, 731513), (923, 236969), (1633, 133939), (10303, 21229)]