2891756

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 5832960

約数和(自身を除く): 2941204

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 743, 973, 1486, 1946, 2972, 3892, 5201, 10402, 20804, 103277, 206554, 413108, 722939, 1445878, 2891756]

約数ペア:

[(1, 2891756), (2, 1445878), (4, 722939), (7, 413108), (14, 206554), (28, 103277), (139, 20804), (278, 10402), (556, 5201), (743, 3892), (973, 2972), (1486, 1946)]