39443908

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19841}}^1$

素因数の和:19923

約数の個数: 24

約数和(自身を含む): 80002944

約数和(自身を除く): 40559036

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 19841, 39682, 79364, 138887, 277774, 555548, 1408711, 2817422, 5634844, 9860977, 19721954, 39443908]

約数ペア:

[(1, 39443908), (2, 19721954), (4, 9860977), (7, 5634844), (14, 2817422), (28, 1408711), (71, 555548), (142, 277774), (284, 138887), (497, 79364), (994, 39682), (1988, 19841)]