3999992

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 7803360

約数和(自身を除く): 3803368

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 7874, 15748, 16129, 31496, 32258, 64516, 129032, 499999, 999998, 1999996, 3999992]

約数ペア:

[(1, 3999992), (2, 1999996), (4, 999998), (8, 499999), (31, 129032), (62, 64516), (124, 32258), (127, 31496), (248, 16129), (254, 15748), (508, 7874), (1016, 3937)]