218744141

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{16421}}^1$

素因数の和:16612

約数の個数: 16

約数和(自身を含む): 274313088

約数和(自身を除く): 55568947

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 13321, 16421, 114947, 180631, 1264417, 2840833, 19885831, 31249163, 218744141]

約数ペア:

[(1, 218744141), (7, 31249163), (11, 19885831), (77, 2840833), (173, 1264417), (1211, 180631), (1903, 114947), (13321, 16421)]