3856972

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 7777280

約数和(自身を除く): 3920308

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 991, 1946, 1982, 3892, 3964, 6937, 13874, 27748, 137749, 275498, 550996, 964243, 1928486, 3856972]

約数ペア:

[(1, 3856972), (2, 1928486), (4, 964243), (7, 550996), (14, 275498), (28, 137749), (139, 27748), (278, 13874), (556, 6937), (973, 3964), (991, 3892), (1946, 1982)]