31427984

素因数分解:

$2^4\times 7^1\times {\mathrm{280607}}^1$

素因数の和:280622

約数の個数: 20

約数和(自身を含む): 69590784

約数和(自身を除く): 38162800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280607, 561214, 1122428, 1964249, 2244856, 3928498, 4489712, 7856996, 15713992, 31427984]

約数ペア:

[(1, 31427984), (2, 15713992), (4, 7856996), (7, 4489712), (8, 3928498), (14, 2244856), (16, 1964249), (28, 1122428), (56, 561214), (112, 280607)]