15939988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 28676480

約数和(自身を除く): 12736492

約数列:

[1, 2, 4, 73, 79, 146, 158, 292, 316, 691, 1382, 2764, 5767, 11534, 23068, 50443, 54589, 100886, 109178, 201772, 218356, 3984997, 7969994, 15939988]

約数ペア:

[(1, 15939988), (2, 7969994), (4, 3984997), (73, 218356), (79, 201772), (146, 109178), (158, 100886), (292, 54589), (316, 50443), (691, 23068), (1382, 11534), (2764, 5767)]