1980721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 16

約数和(自身を含む): 2232576

約数和(自身を除く): 251855

約数列:

[1, 17, 37, 47, 67, 629, 799, 1139, 1739, 2479, 3149, 29563, 42143, 53533, 116513, 1980721]

約数ペア:

[(1, 1980721), (17, 116513), (37, 53533), (47, 42143), (67, 29563), (629, 3149), (799, 2479), (1139, 1739)]