81855826

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{1433}}^1$

素因数の和:1487

約数の個数: 20

約数和(自身を含む): 133108182

約数和(自身を除く): 51252356

約数列:

[1, 2, 13, 26, 169, 338, 1433, 2197, 2866, 4394, 18629, 28561, 37258, 57122, 242177, 484354, 3148301, 6296602, 40927913, 81855826]

約数ペア:

[(1, 81855826), (2, 40927913), (13, 6296602), (26, 3148301), (169, 484354), (338, 242177), (1433, 57122), (2197, 37258), (2866, 28561), (4394, 18629)]