12821788

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9743}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 26191872

約数和(自身を除く): 13370084

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 9743, 19486, 38972, 68201, 136402, 272804, 457921, 915842, 1831684, 3205447, 6410894, 12821788]

約数ペア:

[(1, 12821788), (2, 6410894), (4, 3205447), (7, 1831684), (14, 915842), (28, 457921), (47, 272804), (94, 136402), (188, 68201), (329, 38972), (658, 19486), (1316, 9743)]