28307906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9257}}^1$

素因数の和:9409

約数の個数: 16

約数和(自身を含む): 46660320

約数和(自身を除く): 18352414

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9257, 18514, 101827, 203654, 1286723, 2573446, 14153953, 28307906]

約数ペア:

[(1, 28307906), (2, 14153953), (11, 2573446), (22, 1286723), (139, 203654), (278, 101827), (1529, 18514), (3058, 9257)]