27731984

素因数分解:

$2^4\times 7^1\times {\mathrm{247607}}^1$

素因数の和:247622

約数の個数: 20

約数和(自身を含む): 61406784

約数和(自身を除く): 33674800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 247607, 495214, 990428, 1733249, 1980856, 3466498, 3961712, 6932996, 13865992, 27731984]

約数ペア:

[(1, 27731984), (2, 13865992), (4, 6932996), (7, 3961712), (8, 3466498), (14, 1980856), (16, 1733249), (28, 990428), (56, 495214), (112, 247607)]