338889145

素因数分解:

$5^1\times 7^4\times {\mathrm{28229}}^1$

素因数の和:28262

約数の個数: 20

約数和(自身を含む): 474433380

約数和(自身を除く): 135544235

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 28229, 141145, 197603, 988015, 1383221, 6916105, 9682547, 48412735, 67777829, 338889145]

約数ペア:

[(1, 338889145), (5, 67777829), (7, 48412735), (35, 9682547), (49, 6916105), (245, 1383221), (343, 988015), (1715, 197603), (2401, 141145), (12005, 28229)]