1996988

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 4052832

約数和(自身を除く): 2055844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 977, 1022, 1954, 2044, 3908, 6839, 13678, 27356, 71321, 142642, 285284, 499247, 998494, 1996988]

約数ペア:

[(1, 1996988), (2, 998494), (4, 499247), (7, 285284), (14, 142642), (28, 71321), (73, 27356), (146, 13678), (292, 6839), (511, 3908), (977, 2044), (1022, 1954)]