78425564

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6653}}^1$

素因数の和:7085

約数の個数: 24

約数和(自身を含む): 157247328

約数和(自身を除く): 78821764

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 6653, 11788, 13306, 26612, 46571, 93142, 186284, 2800913, 5601826, 11203652, 19606391, 39212782, 78425564]

約数ペア:

[(1, 78425564), (2, 39212782), (4, 19606391), (7, 11203652), (14, 5601826), (28, 2800913), (421, 186284), (842, 93142), (1684, 46571), (2947, 26612), (5894, 13306), (6653, 11788)]