261865824878

素因数分解:

$2^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{13544317}}^1$

素因数の和:13545707

約数の個数: 16

約数和(自身を含む): 449237939424

約数和(自身を除く): 187372114546

約数列:

[1, 2, 7, 14, 1381, 2762, 9667, 19334, 13544317, 27088634, 94810219, 189620438, 18704701777, 37409403554, 130932912439, 261865824878]

約数ペア:

[(1, 261865824878), (2, 130932912439), (7, 37409403554), (14, 18704701777), (1381, 189620438), (2762, 94810219), (9667, 27088634), (19334, 13544317)]