25556818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 20569262

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 571, 973, 1142, 1946, 3197, 3997, 6394, 7994, 13133, 22379, 26266, 44758, 79369, 91931, 158738, 183862, 555583, 1111166, 1825487, 3650974, 12778409, 25556818]

約数ペア:

[(1, 25556818), (2, 12778409), (7, 3650974), (14, 1825487), (23, 1111166), (46, 555583), (139, 183862), (161, 158738), (278, 91931), (322, 79369), (571, 44758), (973, 26266), (1142, 22379), (1946, 13133), (3197, 7994), (3997, 6394)]