208529839

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 252937728

約数和(自身を除く): 44407889

約数列:

[1, 7, 31, 49, 107, 217, 749, 1283, 1519, 3317, 5243, 8981, 23219, 39773, 62867, 137281, 162533, 278411, 960967, 1948877, 4255711, 6726769, 29789977, 208529839]

約数ペア:

[(1, 208529839), (7, 29789977), (31, 6726769), (49, 4255711), (107, 1948877), (217, 960967), (749, 278411), (1283, 162533), (1519, 137281), (3317, 62867), (5243, 39773), (8981, 23219)]