1019890081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 1245984768

約数和(自身を除く): 226094687

約数列:

[1, 7, 23, 73, 107, 161, 511, 749, 811, 1679, 2461, 5677, 7811, 11753, 17227, 18653, 54677, 59203, 86777, 130571, 179653, 414421, 607439, 1257571, 1361669, 1995871, 6334721, 9531683, 13971097, 44343047, 145698583, 1019890081]

約数ペア:

[(1, 1019890081), (7, 145698583), (23, 44343047), (73, 13971097), (107, 9531683), (161, 6334721), (511, 1995871), (749, 1361669), (811, 1257571), (1679, 607439), (2461, 414421), (5677, 179653), (7811, 130571), (11753, 86777), (17227, 59203), (18653, 54677)]