217090181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{148387}}^1$

素因数の和:148424

約数の個数: 16

約数和(自身を含む): 284904960

約数和(自身を除く): 67814779

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 148387, 1038709, 1632257, 2819353, 11425799, 19735471, 31012883, 217090181]

約数ペア:

[(1, 217090181), (7, 31012883), (11, 19735471), (19, 11425799), (77, 2819353), (133, 1632257), (209, 1038709), (1463, 148387)]