289317161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 365568000

約数和(自身を除く): 76250839

約数列:

[1, 7, 19, 23, 133, 161, 271, 349, 437, 1897, 2443, 3059, 5149, 6233, 6631, 8027, 36043, 43631, 46417, 56189, 94579, 118427, 152513, 662053, 828989, 1067591, 1797001, 2175317, 12579007, 15227219, 41331023, 289317161]

約数ペア:

[(1, 289317161), (7, 41331023), (19, 15227219), (23, 12579007), (133, 2175317), (161, 1797001), (271, 1067591), (349, 828989), (437, 662053), (1897, 152513), (2443, 118427), (3059, 94579), (5149, 56189), (6233, 46417), (6631, 43631), (8027, 36043)]