28681714

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1661

約数の個数: 16

約数和(自身を含む): 44275896

約数和(自身を除く): 15594182

約数列:

[1, 2, 41, 82, 257, 514, 1361, 2722, 10537, 21074, 55801, 111602, 349777, 699554, 14340857, 28681714]

約数ペア:

[(1, 28681714), (2, 14340857), (41, 699554), (82, 349777), (257, 111602), (514, 55801), (1361, 21074), (2722, 10537)]