28084385

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19571}}^1$

素因数の和:19624

約数の個数: 16

約数和(自身を含む): 39457152

約数和(自身を除く): 11372767

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19571, 97855, 136997, 684985, 802411, 4012055, 5616877, 28084385]

約数ペア:

[(1, 28084385), (5, 5616877), (7, 4012055), (35, 802411), (41, 684985), (205, 136997), (287, 97855), (1435, 19571)]