181228712

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{7687}}^1$

素因数の和:8121

約数の個数: 32

約数和(自身を含む): 389320320

約数和(自身を除く): 208091608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 1684, 2947, 3368, 5894, 7687, 11788, 15374, 23576, 30748, 53809, 61496, 107618, 215236, 430472, 3236227, 6472454, 12944908, 22653589, 25889816, 45307178, 90614356, 181228712]

約数ペア:

[(1, 181228712), (2, 90614356), (4, 45307178), (7, 25889816), (8, 22653589), (14, 12944908), (28, 6472454), (56, 3236227), (421, 430472), (842, 215236), (1684, 107618), (2947, 61496), (3368, 53809), (5894, 30748), (7687, 23576), (11788, 15374)]