81410987

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 94802880

約数和(自身を除く): 13391893

約数列:

[1, 7, 73, 313, 509, 511, 2191, 3563, 22849, 37157, 159317, 159943, 260099, 1115219, 11630141, 81410987]

約数ペア:

[(1, 81410987), (7, 11630141), (73, 1115219), (313, 260099), (509, 159943), (511, 159317), (2191, 37157), (3563, 22849)]