207821489

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 221360640

約数和(自身を除く): 13539151

約数列:

[1, 31, 37, 409, 443, 1147, 12679, 13733, 15133, 16391, 181187, 469123, 508121, 5616797, 6703919, 207821489]

約数ペア:

[(1, 207821489), (31, 6703919), (37, 5616797), (409, 508121), (443, 469123), (1147, 181187), (12679, 16391), (13733, 15133)]