205495808

素因数分解:

$2^9\times 7^2\times {\mathrm{8191}}^1$

素因数の和:8223

約数の個数: 60

約数和(自身を含む): 477683712

約数和(自身を除く): 272187904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 6272, 8191, 12544, 16382, 25088, 32764, 57337, 65528, 114674, 131056, 229348, 262112, 401359, 458696, 524224, 802718, 917392, 1048448, 1605436, 1834784, 2096896, 3210872, 3669568, 4193792, 6421744, 7339136, 12843488, 14678272, 25686976, 29356544, 51373952, 102747904, 205495808]

約数ペア:

[(1, 205495808), (2, 102747904), (4, 51373952), (7, 29356544), (8, 25686976), (14, 14678272), (16, 12843488), (28, 7339136), (32, 6421744), (49, 4193792), (56, 3669568), (64, 3210872), (98, 2096896), (112, 1834784), (128, 1605436), (196, 1048448), (224, 917392), (256, 802718), (392, 524224), (448, 458696), (512, 401359), (784, 262112), (896, 229348), (1568, 131056), (1792, 114674), (3136, 65528), (3584, 57337), (6272, 32764), (8191, 25088), (12544, 16382)]