28401394

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2111}}^1$

素因数の和:2182

約数の個数: 24

約数和(自身を含む): 50333184

約数和(自身を除く): 21931790

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1922, 2111, 4222, 6727, 13454, 14777, 29554, 65441, 130882, 458087, 916174, 2028671, 4057342, 14200697, 28401394]

約数ペア:

[(1, 28401394), (2, 14200697), (7, 4057342), (14, 2028671), (31, 916174), (62, 458087), (217, 130882), (434, 65441), (961, 29554), (1922, 14777), (2111, 13454), (4222, 6727)]