16165721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 19662720

約数和(自身を除く): 3496999

約数列:

[1, 11, 13, 43, 121, 143, 239, 473, 559, 1573, 2629, 3107, 5203, 6149, 10277, 28919, 34177, 67639, 113047, 133601, 375947, 1243517, 1469611, 16165721]

約数ペア:

[(1, 16165721), (11, 1469611), (13, 1243517), (43, 375947), (121, 133601), (143, 113047), (239, 67639), (473, 34177), (559, 28919), (1573, 10277), (2629, 6149), (3107, 5203)]