17772721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 19450368

約数和(自身を除く): 1677647

約数列:

[1, 23, 41, 47, 401, 943, 1081, 1927, 9223, 16441, 18847, 44321, 378143, 433481, 772727, 17772721]

約数ペア:

[(1, 17772721), (23, 772727), (41, 433481), (47, 378143), (401, 44321), (943, 18847), (1081, 16441), (1927, 9223)]