28041258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{667649}}^1$

素因数の和:667661

約数の個数: 16

約数和(自身を含む): 64094400

約数和(自身を除く): 36053142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 667649, 1335298, 2002947, 4005894, 4673543, 9347086, 14020629, 28041258]

約数ペア:

[(1, 28041258), (2, 14020629), (3, 9347086), (6, 4673543), (7, 4005894), (14, 2002947), (21, 1335298), (42, 667649)]