12989872

素因数分解:

$2^4\times 7^1\times {\mathrm{115981}}^1$

素因数の和:115996

約数の個数: 20

約数和(自身を含む): 28763536

約数和(自身を除く): 15773664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115981, 231962, 463924, 811867, 927848, 1623734, 1855696, 3247468, 6494936, 12989872]

約数ペア:

[(1, 12989872), (2, 6494936), (4, 3247468), (7, 1855696), (8, 1623734), (14, 927848), (16, 811867), (28, 463924), (56, 231962), (112, 115981)]