4052425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 5574296

約数和(自身を除く): 1521871

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 337, 481, 925, 1685, 2405, 4381, 8425, 12025, 12469, 21905, 62345, 109525, 162097, 311725, 810485, 4052425]

約数ペア:

[(1, 4052425), (5, 810485), (13, 311725), (25, 162097), (37, 109525), (65, 62345), (185, 21905), (325, 12469), (337, 12025), (481, 8425), (925, 4381), (1685, 2405)]