248947888

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{15991}}^1$

素因数の和:16145

約数の個数: 40

約数和(自身を含む): 555242240

約数和(自身を除く): 306294352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 15991, 31982, 63964, 111937, 127928, 223874, 255856, 447748, 895496, 1790992, 2222749, 4445498, 8890996, 15559243, 17781992, 31118486, 35563984, 62236972, 124473944, 248947888]

約数ペア:

[(1, 248947888), (2, 124473944), (4, 62236972), (7, 35563984), (8, 31118486), (14, 17781992), (16, 15559243), (28, 8890996), (56, 4445498), (112, 2222749), (139, 1790992), (278, 895496), (556, 447748), (973, 255856), (1112, 223874), (1946, 127928), (2224, 111937), (3892, 63964), (7784, 31982), (15568, 15991)]