39999386

素因数分解:

$2^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{947}}^1$

素因数の和:1394

約数の個数: 24

約数和(自身を含む): 70030656

約数和(自身を除く): 30031270

約数列:

[1, 2, 7, 14, 49, 98, 431, 862, 947, 1894, 3017, 6034, 6629, 13258, 21119, 42238, 46403, 92806, 408157, 816314, 2857099, 5714198, 19999693, 39999386]

約数ペア:

[(1, 39999386), (2, 19999693), (7, 5714198), (14, 2857099), (49, 816314), (98, 408157), (431, 92806), (862, 46403), (947, 42238), (1894, 21119), (3017, 13258), (6034, 6629)]