728455679

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{20693}}^1$

素因数の和:20854

約数の個数: 16

約数和(自身を含む): 858221568

約数和(自身を除く): 129765889

約数列:

[1, 7, 47, 107, 329, 749, 5029, 20693, 35203, 144851, 972571, 2214151, 6807997, 15499057, 104065097, 728455679]

約数ペア:

[(1, 728455679), (7, 104065097), (47, 15499057), (107, 6807997), (329, 2214151), (749, 972571), (5029, 144851), (20693, 35203)]