205657025

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28663}}^1$

素因数の和:28721

約数の個数: 24

約数和(自身を含む): 298564224

約数和(自身を除く): 92907199

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1435, 7175, 28663, 143315, 200641, 716575, 1003205, 1175183, 5016025, 5875915, 8226281, 29379575, 41131405, 205657025]

約数ペア:

[(1, 205657025), (5, 41131405), (7, 29379575), (25, 8226281), (35, 5875915), (41, 5016025), (175, 1175183), (205, 1003205), (287, 716575), (1025, 200641), (1435, 143315), (7175, 28663)]