164817184

素因数分解:

$2^5\times 7^2\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 379855980

約数和(自身を除く): 215038796

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 257, 392, 409, 514, 784, 818, 1028, 1568, 1636, 1799, 2056, 2863, 3272, 3598, 4112, 5726, 6544, 7196, 8224, 11452, 12593, 13088, 14392, 20041, 22904, 25186, 28784, 40082, 45808, 50372, 57568, 80164, 91616, 100744, 105113, 160328, 201488, 210226, 320656, 402976, 420452, 641312, 735791, 840904, 1471582, 1681808, 2943164, 3363616, 5150537, 5886328, 10301074, 11772656, 20602148, 23545312, 41204296, 82408592, 164817184]

約数ペア:

[(1, 164817184), (2, 82408592), (4, 41204296), (7, 23545312), (8, 20602148), (14, 11772656), (16, 10301074), (28, 5886328), (32, 5150537), (49, 3363616), (56, 2943164), (98, 1681808), (112, 1471582), (196, 840904), (224, 735791), (257, 641312), (392, 420452), (409, 402976), (514, 320656), (784, 210226), (818, 201488), (1028, 160328), (1568, 105113), (1636, 100744), (1799, 91616), (2056, 80164), (2863, 57568), (3272, 50372), (3598, 45808), (4112, 40082), (5726, 28784), (6544, 25186), (7196, 22904), (8224, 20041), (11452, 14392), (12593, 13088)]