140178983

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 162739200

約数和(自身を除く): 22560217

約数列:

[1, 7, 103, 199, 721, 977, 1393, 6839, 20497, 100631, 143479, 194423, 704417, 1360961, 20025569, 140178983]

約数ペア:

[(1, 140178983), (7, 20025569), (103, 1360961), (199, 704417), (721, 194423), (977, 143479), (1393, 100631), (6839, 20497)]