39806473

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 48529800

約数和(自身を除く): 8723327

約数列:

[1, 7, 29, 49, 109, 203, 257, 763, 1421, 1799, 3161, 5341, 7453, 12593, 22127, 28013, 52171, 154889, 196091, 365197, 812377, 1372637, 5686639, 39806473]

約数ペア:

[(1, 39806473), (7, 5686639), (29, 1372637), (49, 812377), (109, 365197), (203, 196091), (257, 154889), (763, 52171), (1421, 28013), (1799, 22127), (3161, 12593), (5341, 7453)]