131886244

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 272204800

約数和(自身を除く): 140318556

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 679, 686, 991, 1358, 1372, 1982, 2716, 3964, 4753, 6937, 9506, 13874, 19012, 27748, 33271, 48559, 66542, 96127, 97118, 133084, 192254, 194236, 339913, 384508, 672889, 679826, 1345778, 1359652, 2691556, 4710223, 9420446, 18840892, 32971561, 65943122, 131886244]

約数ペア:

[(1, 131886244), (2, 65943122), (4, 32971561), (7, 18840892), (14, 9420446), (28, 4710223), (49, 2691556), (97, 1359652), (98, 1345778), (194, 679826), (196, 672889), (343, 384508), (388, 339913), (679, 194236), (686, 192254), (991, 133084), (1358, 97118), (1372, 96127), (1982, 66542), (2716, 48559), (3964, 33271), (4753, 27748), (6937, 19012), (9506, 13874)]