218702939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{126491}}^1$

素因数の和:126530

約数の個数: 16

約数和(自身を含む): 283342080

約数和(自身を除く): 64639141

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 126491, 885437, 1644383, 2403329, 11510681, 16823303, 31243277, 218702939]

約数ペア:

[(1, 218702939), (7, 31243277), (13, 16823303), (19, 11510681), (91, 2403329), (133, 1644383), (247, 885437), (1729, 126491)]