28403788

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2083}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 56951552

約数和(自身を除く): 28547764

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 2083, 3409, 4166, 6818, 8332, 13636, 14581, 29162, 58324, 1014421, 2028842, 4057684, 7100947, 14201894, 28403788]

約数ペア:

[(1, 28403788), (2, 14201894), (4, 7100947), (7, 4057684), (14, 2028842), (28, 1014421), (487, 58324), (974, 29162), (1948, 14581), (2083, 13636), (3409, 8332), (4166, 6818)]