161782271

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 195883920

約数和(自身を除く): 34101649

約数列:

[1, 7, 29, 49, 203, 257, 443, 1421, 1799, 3101, 7453, 12593, 12847, 21707, 52171, 89929, 113851, 365197, 629503, 796957, 3301679, 5578699, 23111753, 161782271]

約数ペア:

[(1, 161782271), (7, 23111753), (29, 5578699), (49, 3301679), (203, 796957), (257, 629503), (443, 365197), (1421, 113851), (1799, 89929), (3101, 52171), (7453, 21707), (12593, 12847)]