28478978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{76147}}^1$

素因数の和:76177

約数の個数: 16

約数和(自身を含む): 49343904

約数和(自身を除く): 20864926

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 76147, 152294, 837617, 1294499, 1675234, 2588998, 14239489, 28478978]

約数ペア:

[(1, 28478978), (2, 14239489), (11, 2588998), (17, 1675234), (22, 1294499), (34, 837617), (187, 152294), (374, 76147)]