80871982

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{1487}}^1$

素因数の和:1943

約数の個数: 16

約数和(自身を含む): 123420672

約数和(自身を除く): 42548690

約数列:

[1, 2, 71, 142, 383, 766, 1487, 2974, 27193, 54386, 105577, 211154, 569521, 1139042, 40435991, 80871982]

約数ペア:

[(1, 80871982), (2, 40435991), (71, 1139042), (142, 569521), (383, 211154), (766, 105577), (1487, 54386), (2974, 27193)]