129428131

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 160174080

約数和(自身を除く): 30745949

約数列:

[1, 7, 29, 31, 131, 157, 203, 217, 899, 917, 1099, 3799, 4061, 4553, 4867, 6293, 20567, 26593, 28427, 31871, 34069, 117769, 141143, 143969, 596443, 637577, 824383, 988001, 4175101, 4463039, 18489733, 129428131]

約数ペア:

[(1, 129428131), (7, 18489733), (29, 4463039), (31, 4175101), (131, 988001), (157, 824383), (203, 637577), (217, 596443), (899, 143969), (917, 141143), (1099, 117769), (3799, 34069), (4061, 31871), (4553, 28427), (4867, 26593), (6293, 20567)]