331375538

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{980401}}^1$

素因数の和:980429

約数の個数: 12

約数和(自身を含む): 538240698

約数和(自身を除く): 206865160

約数列:

[1, 2, 13, 26, 169, 338, 980401, 1960802, 12745213, 25490426, 165687769, 331375538]

約数ペア:

[(1, 331375538), (2, 165687769), (13, 25490426), (26, 12745213), (169, 1960802), (338, 980401)]