28857605

素因数分解:

$5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1913}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 39688704

約数和(自身を除く): 10831099

約数列:

[1, 5, 7, 35, 431, 1913, 2155, 3017, 9565, 13391, 15085, 66955, 824503, 4122515, 5771521, 28857605]

約数ペア:

[(1, 28857605), (5, 5771521), (7, 4122515), (35, 824503), (431, 66955), (1913, 15085), (2155, 13391), (3017, 9565)]