219123968

素因数分解:

$2^8\times 7^1\times {\mathrm{122279}}^1$

素因数の和:122302

約数の個数: 36

約数和(自身を含む): 499880640

約数和(自身を除く): 280756672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 122279, 244558, 489116, 855953, 978232, 1711906, 1956464, 3423812, 3912928, 6847624, 7825856, 13695248, 15651712, 27390496, 31303424, 54780992, 109561984, 219123968]

約数ペア:

[(1, 219123968), (2, 109561984), (4, 54780992), (7, 31303424), (8, 27390496), (14, 15651712), (16, 13695248), (28, 7825856), (32, 6847624), (56, 3912928), (64, 3423812), (112, 1956464), (128, 1711906), (224, 978232), (256, 855953), (448, 489116), (896, 244558), (1792, 122279)]