12557008

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{1409}}^1$

素因数の和:1974

約数の個数: 20

約数和(自身を含む): 24390180

約数和(自身を除く): 11833172

約数列:

[1, 2, 4, 8, 16, 557, 1114, 1409, 2228, 2818, 4456, 5636, 8912, 11272, 22544, 784813, 1569626, 3139252, 6278504, 12557008]

約数ペア:

[(1, 12557008), (2, 6278504), (4, 3139252), (8, 1569626), (16, 784813), (557, 22544), (1114, 11272), (1409, 8912), (2228, 5636), (2818, 4456)]