71990465

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{4231}}^1$

素因数の和:4360

約数の個数: 16

約数和(自身を含む): 89582976

約数和(自身を除く): 17592511

約数列:

[1, 5, 41, 83, 205, 415, 3403, 4231, 17015, 21155, 173471, 351173, 867355, 1755865, 14398093, 71990465]

約数ペア:

[(1, 71990465), (5, 14398093), (41, 1755865), (83, 867355), (205, 351173), (415, 173471), (3403, 21155), (4231, 17015)]