399703588

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{34327}}^1$

素因数の和:34443

約数の個数: 24

約数和(自身を含む): 726655104

約数和(自身を除く): 326951516

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 2911, 5822, 11644, 34327, 68654, 137308, 1407407, 2437217, 2814814, 4874434, 5629628, 9748868, 99925897, 199851794, 399703588]

約数ペア:

[(1, 399703588), (2, 199851794), (4, 99925897), (41, 9748868), (71, 5629628), (82, 4874434), (142, 2814814), (164, 2437217), (284, 1407407), (2911, 137308), (5822, 68654), (11644, 34327)]