15679871984

素因数分解:

$2^4\times 7^1\times {\mathrm{139998857}}^1$

素因数の和:139998872

約数の個数: 20

約数和(自身を含む): 34719716784

約数和(自身を除く): 19039844800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139998857, 279997714, 559995428, 979991999, 1119990856, 1959983998, 2239981712, 3919967996, 7839935992, 15679871984]

約数ペア:

[(1, 15679871984), (2, 7839935992), (4, 3919967996), (7, 2239981712), (8, 1959983998), (14, 1119990856), (16, 979991999), (28, 559995428), (56, 279997714), (112, 139998857)]