28385074

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1381}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 43781760

約数和(自身を除く): 15396686

約数列:

[1, 2, 43, 86, 239, 478, 1381, 2762, 10277, 20554, 59383, 118766, 330059, 660118, 14192537, 28385074]

約数ペア:

[(1, 28385074), (2, 14192537), (43, 660118), (86, 330059), (239, 118766), (478, 59383), (1381, 20554), (2762, 10277)]