81014836

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{3863}}^1$

素因数の和:3988

約数の個数: 36

約数和(自身を含む): 166507488

約数和(自身を除く): 85492652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1498, 2996, 3863, 5243, 7726, 10486, 15452, 20972, 27041, 54082, 108164, 189287, 378574, 413341, 757148, 826682, 1653364, 2893387, 5786774, 11573548, 20253709, 40507418, 81014836]

約数ペア:

[(1, 81014836), (2, 40507418), (4, 20253709), (7, 11573548), (14, 5786774), (28, 2893387), (49, 1653364), (98, 826682), (107, 757148), (196, 413341), (214, 378574), (428, 189287), (749, 108164), (1498, 54082), (2996, 27041), (3863, 20972), (5243, 15452), (7726, 10486)]