68947816

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17341}}^1$

素因数の和:17425

約数の個数: 32

約数和(自身を含む): 149834880

約数和(自身を除く): 80887064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 17341, 34682, 69364, 121387, 138728, 242774, 485548, 971096, 1231211, 2462422, 4924844, 8618477, 9849688, 17236954, 34473908, 68947816]

約数ペア:

[(1, 68947816), (2, 34473908), (4, 17236954), (7, 9849688), (8, 8618477), (14, 4924844), (28, 2462422), (56, 1231211), (71, 971096), (142, 485548), (284, 242774), (497, 138728), (568, 121387), (994, 69364), (1988, 34682), (3976, 17341)]