8219456

素因数分解:

$2^6\times 7^2\times {\mathrm{2621}}^1$

素因数の和:2647

約数の個数: 42

約数和(自身を含む): 18980658

約数和(自身を除く): 10761202

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 2621, 3136, 5242, 10484, 18347, 20968, 36694, 41936, 73388, 83872, 128429, 146776, 167744, 256858, 293552, 513716, 587104, 1027432, 1174208, 2054864, 4109728, 8219456]

約数ペア:

[(1, 8219456), (2, 4109728), (4, 2054864), (7, 1174208), (8, 1027432), (14, 587104), (16, 513716), (28, 293552), (32, 256858), (49, 167744), (56, 146776), (64, 128429), (98, 83872), (112, 73388), (196, 41936), (224, 36694), (392, 20968), (448, 18347), (784, 10484), (1568, 5242), (2621, 3136)]