28821872

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{17489}}^1$

素因数の和:17600

約数の個数: 20

約数和(自身を含む): 56387760

約数和(自身を除く): 27565888

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 17489, 34978, 69956, 139912, 279824, 1801367, 3602734, 7205468, 14410936, 28821872]

約数ペア:

[(1, 28821872), (2, 14410936), (4, 7205468), (8, 3602734), (16, 1801367), (103, 279824), (206, 139912), (412, 69956), (824, 34978), (1648, 17489)]