81204956

素因数分解:

$2^2\times 7^2\times {\mathrm{414311}}^1$

素因数の和:414329

約数の個数: 18

約数和(自身を含む): 165310488

約数和(自身を除く): 84105532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 414311, 828622, 1657244, 2900177, 5800354, 11600708, 20301239, 40602478, 81204956]

約数ペア:

[(1, 81204956), (2, 40602478), (4, 20301239), (7, 11600708), (14, 5800354), (28, 2900177), (49, 1657244), (98, 828622), (196, 414311)]