7899696861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{638669}}^1$

素因数の和:638729

約数の個数: 32

約数和(自身を含む): 13079961600

約数和(自身を除く): 5180264739

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 638669, 1916007, 4470683, 12134711, 13412049, 19798739, 36404133, 59396217, 84942977, 138591173, 254828931, 376176041, 415773519, 1128528123, 2633232287, 7899696861]

約数ペア:

[(1, 7899696861), (3, 2633232287), (7, 1128528123), (19, 415773519), (21, 376176041), (31, 254828931), (57, 138591173), (93, 84942977), (133, 59396217), (217, 36404133), (399, 19798739), (589, 13412049), (651, 12134711), (1767, 4470683), (4123, 1916007), (12369, 638669)]