128938208

素因数分解:

$2^5\times 7^2\times {\mathrm{82231}}^1$

素因数の和:82255

約数の個数: 36

約数和(自身を含む): 295295112

約数和(自身を除く): 166356904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 82231, 164462, 328924, 575617, 657848, 1151234, 1315696, 2302468, 2631392, 4029319, 4604936, 8058638, 9209872, 16117276, 18419744, 32234552, 64469104, 128938208]

約数ペア:

[(1, 128938208), (2, 64469104), (4, 32234552), (7, 18419744), (8, 16117276), (14, 9209872), (16, 8058638), (28, 4604936), (32, 4029319), (49, 2631392), (56, 2302468), (98, 1315696), (112, 1151234), (196, 657848), (224, 575617), (392, 328924), (784, 164462), (1568, 82231)]