188619788

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{16001}}^1$

素因数の和:16433

約数の個数: 24

約数和(自身を含む): 378159264

約数和(自身を除く): 189539476

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 16001, 32002, 64004, 112007, 224014, 448028, 6736421, 13472842, 26945684, 47154947, 94309894, 188619788]

約数ペア:

[(1, 188619788), (2, 94309894), (4, 47154947), (7, 26945684), (14, 13472842), (28, 6736421), (421, 448028), (842, 224014), (1684, 112007), (2947, 64004), (5894, 32002), (11788, 16001)]