218645141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{80473}}^1$

素因数の和:80516

約数の個数: 16

約数和(自身を含む): 270392640

約数和(自身を除く): 51747499

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 80473, 885203, 1046149, 1528987, 11507639, 16818857, 19876831, 218645141]

約数ペア:

[(1, 218645141), (11, 19876831), (13, 16818857), (19, 11507639), (143, 1528987), (209, 1046149), (247, 885203), (2717, 80473)]