28717654

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 50512896

約数和(自身を除く): 21795242

約数列:

[1, 2, 7, 14, 71, 142, 167, 173, 334, 346, 497, 994, 1169, 1211, 2338, 2422, 11857, 12283, 23714, 24566, 28891, 57782, 82999, 85981, 165998, 171962, 202237, 404474, 2051261, 4102522, 14358827, 28717654]

約数ペア:

[(1, 28717654), (2, 14358827), (7, 4102522), (14, 2051261), (71, 404474), (142, 202237), (167, 171962), (173, 165998), (334, 85981), (346, 82999), (497, 57782), (994, 28891), (1169, 24566), (1211, 23714), (2338, 12283), (2422, 11857)]