1553647984

素因数分解:

$2^4\times 7^1\times {\mathrm{13871857}}^1$

素因数の和:13871872

約数の個数: 20

約数和(自身を含む): 3440220784

約数和(自身を除く): 1886572800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 13871857, 27743714, 55487428, 97102999, 110974856, 194205998, 221949712, 388411996, 776823992, 1553647984]

約数ペア:

[(1, 1553647984), (2, 776823992), (4, 388411996), (7, 221949712), (8, 194205998), (14, 110974856), (16, 97102999), (28, 55487428), (56, 27743714), (112, 13871857)]