817432868

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^2\times {\mathrm{1511}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 1647801792

約数和(自身を除く): 830368924

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1511, 1946, 3022, 3892, 6044, 10577, 19321, 21154, 38642, 42308, 77284, 135247, 210029, 270494, 420058, 540988, 840116, 1470203, 2940406, 5880812, 29194031, 58388062, 116776124, 204358217, 408716434, 817432868]

約数ペア:

[(1, 817432868), (2, 408716434), (4, 204358217), (7, 116776124), (14, 58388062), (28, 29194031), (139, 5880812), (278, 2940406), (556, 1470203), (973, 840116), (1511, 540988), (1946, 420058), (3022, 270494), (3892, 210029), (6044, 135247), (10577, 77284), (19321, 42308), (21154, 38642)]