16221116

素因数分解:

$2^2\times {\mathrm{97}}^2\times {\mathrm{431}}^1$

素因数の和:629

約数の個数: 18

約数和(自身を含む): 28749168

約数和(自身を除く): 12528052

約数列:

[1, 2, 4, 97, 194, 388, 431, 862, 1724, 9409, 18818, 37636, 41807, 83614, 167228, 4055279, 8110558, 16221116]

約数ペア:

[(1, 16221116), (2, 8110558), (4, 4055279), (97, 167228), (194, 83614), (388, 41807), (431, 37636), (862, 18818), (1724, 9409)]