129707788

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{26777}}^1$

素因数の和:26961

約数の個数: 24

約数和(自身を含む): 260924832

約数和(自身を除く): 131217044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 26777, 53554, 107108, 187439, 374878, 749756, 4632421, 9264842, 18529684, 32426947, 64853894, 129707788]

約数ペア:

[(1, 129707788), (2, 64853894), (4, 32426947), (7, 18529684), (14, 9264842), (28, 4632421), (173, 749756), (346, 374878), (692, 187439), (1211, 107108), (2422, 53554), (4844, 26777)]