81432449

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^2$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 98550720

約数和(自身を除く): 17118271

約数列:

[1, 7, 37, 59, 73, 259, 413, 511, 2183, 2701, 4307, 5329, 15281, 18907, 30149, 37303, 159359, 197173, 314411, 1115513, 1380211, 2200877, 11633207, 81432449]

約数ペア:

[(1, 81432449), (7, 11633207), (37, 2200877), (59, 1380211), (73, 1115513), (259, 314411), (413, 197173), (511, 159359), (2183, 37303), (2701, 30149), (4307, 18907), (5329, 15281)]