28158893

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1097}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 34081920

約数和(自身を除く): 5923027

約数列:

[1, 7, 19, 133, 193, 1097, 1351, 3667, 7679, 20843, 25669, 145901, 211721, 1482047, 4022699, 28158893]

約数ペア:

[(1, 28158893), (7, 4022699), (19, 1482047), (133, 211721), (193, 145901), (1097, 25669), (1351, 20843), (3667, 7679)]