12740959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 15964416

約数和(自身を除く): 3223457

約数列:

[1, 7, 11, 77, 337, 491, 2359, 3437, 3707, 5401, 25949, 37807, 165467, 1158269, 1820137, 12740959]

約数ペア:

[(1, 12740959), (7, 1820137), (11, 1158269), (77, 165467), (337, 37807), (491, 25949), (2359, 5401), (3437, 3707)]