857702404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{225949}}^1$

素因数の和:226039

約数の個数: 24

約数和(自身を含む): 1638589400

約数和(自身を除く): 780886996

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 225949, 451898, 903796, 2937337, 5874674, 11749348, 16494277, 32988554, 65977108, 214425601, 428851202, 857702404]

約数ペア:

[(1, 857702404), (2, 428851202), (4, 214425601), (13, 65977108), (26, 32988554), (52, 16494277), (73, 11749348), (146, 5874674), (292, 2937337), (949, 903796), (1898, 451898), (3796, 225949)]