28326854

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:995

約数の個数: 16

約数和(自身を含む): 43180800

約数和(自身を除く): 14853946

約数列:

[1, 2, 103, 199, 206, 398, 691, 1382, 20497, 40994, 71173, 137509, 142346, 275018, 14163427, 28326854]

約数ペア:

[(1, 28326854), (2, 14163427), (103, 275018), (199, 142346), (206, 137509), (398, 71173), (691, 40994), (1382, 20497)]