207645977

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1499}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 264708000

約数和(自身を除く): 57062023

約数列:

[1, 7, 11, 49, 77, 257, 539, 1499, 1799, 2827, 10493, 12593, 16489, 19789, 73451, 115423, 138523, 385243, 807961, 2696701, 4237673, 18876907, 29663711, 207645977]

約数ペア:

[(1, 207645977), (7, 29663711), (11, 18876907), (49, 4237673), (77, 2696701), (257, 807961), (539, 385243), (1499, 138523), (1799, 115423), (2827, 73451), (10493, 19789), (12593, 16489)]