139919857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 186854400

約数和(自身を除く): 46934543

約数列:

[1, 7, 11, 19, 59, 77, 133, 209, 413, 649, 1121, 1463, 1621, 4543, 7847, 11347, 12331, 17831, 30799, 86317, 95639, 124817, 215593, 338789, 669473, 1052029, 1817141, 2371523, 7364203, 12719987, 19988551, 139919857]

約数ペア:

[(1, 139919857), (7, 19988551), (11, 12719987), (19, 7364203), (59, 2371523), (77, 1817141), (133, 1052029), (209, 669473), (413, 338789), (649, 215593), (1121, 124817), (1463, 95639), (1621, 86317), (4543, 30799), (7847, 17831), (11347, 12331)]