83431390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16787}}^1$

素因数の和:16872

約数の個数: 32

約数和(自身を含む): 174057984

約数和(自身を除く): 90626594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 16787, 33574, 83935, 117509, 167870, 235018, 587545, 1175090, 1191877, 2383754, 5959385, 8343139, 11918770, 16686278, 41715695, 83431390]

約数ペア:

[(1, 83431390), (2, 41715695), (5, 16686278), (7, 11918770), (10, 8343139), (14, 5959385), (35, 2383754), (70, 1191877), (71, 1175090), (142, 587545), (355, 235018), (497, 167870), (710, 117509), (994, 83935), (2485, 33574), (4970, 16787)]