138440414

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{77863}}^1$

素因数の和:77999

約数の個数: 16

約数和(自身を含む): 239198208

約数和(自身を除く): 100757794

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 77863, 155726, 545041, 1090082, 9888601, 19777202, 69220207, 138440414]

約数ペア:

[(1, 138440414), (2, 69220207), (7, 19777202), (14, 9888601), (127, 1090082), (254, 545041), (889, 155726), (1778, 77863)]