281828591

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 331941888

約数和(自身を除く): 50113297

約数列:

[1, 11, 23, 47, 137, 173, 253, 517, 1081, 1507, 1903, 3151, 3979, 6439, 8131, 11891, 23701, 34661, 43769, 70829, 89441, 148097, 187013, 260711, 545123, 1113947, 1629067, 2057143, 5996353, 12253417, 25620781, 281828591]

約数ペア:

[(1, 281828591), (11, 25620781), (23, 12253417), (47, 5996353), (137, 2057143), (173, 1629067), (253, 1113947), (517, 545123), (1081, 260711), (1507, 187013), (1903, 148097), (3151, 89441), (3979, 70829), (6439, 43769), (8131, 34661), (11891, 23701)]