261765713

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 300814080

約数和(自身を除く): 39048367

約数列:

[1, 11, 37, 59, 121, 407, 649, 991, 2183, 4477, 7139, 10901, 24013, 36667, 58469, 119911, 264143, 403337, 643159, 2163353, 4436707, 7074749, 23796883, 261765713]

約数ペア:

[(1, 261765713), (11, 23796883), (37, 7074749), (59, 4436707), (121, 2163353), (407, 643159), (649, 403337), (991, 264143), (2183, 119911), (4477, 58469), (7139, 36667), (10901, 24013)]