39781994

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{11321}}^1$

素因数の和:11581

約数の個数: 16

約数和(自身を含む): 68475456

約数和(自身を除く): 28693462

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 11321, 22642, 79247, 158494, 2841571, 5683142, 19890997, 39781994]

約数ペア:

[(1, 39781994), (2, 19890997), (7, 5683142), (14, 2841571), (251, 158494), (502, 79247), (1757, 22642), (3514, 11321)]