28770890

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{2341}}^1$

素因数の和:3577

約数の個数: 16

約数和(自身を含む): 51851880

約数和(自身を除く): 23080990

約数列:

[1, 2, 5, 10, 1229, 2341, 2458, 4682, 6145, 11705, 12290, 23410, 2877089, 5754178, 14385445, 28770890]

約数ペア:

[(1, 28770890), (2, 14385445), (5, 5754178), (10, 2877089), (1229, 23410), (2341, 12290), (2458, 11705), (4682, 6145)]