28751821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 5462579

約数列:

[1, 7, 43, 59, 301, 413, 1619, 2537, 11333, 17759, 69617, 95521, 487319, 668647, 4107403, 28751821]

約数ペア:

[(1, 28751821), (7, 4107403), (43, 668647), (59, 487319), (301, 95521), (413, 69617), (1619, 17759), (2537, 11333)]