4128425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 6047232

約数和(自身を除く): 1918807

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 761, 775, 1085, 3805, 5327, 5425, 19025, 23591, 26635, 117955, 133175, 165137, 589775, 825685, 4128425]

約数ペア:

[(1, 4128425), (5, 825685), (7, 589775), (25, 165137), (31, 133175), (35, 117955), (155, 26635), (175, 23591), (217, 19025), (761, 5425), (775, 5327), (1085, 3805)]