28740208

素因数分解:

$2^4\times 7^1\times {\mathrm{256609}}^1$

素因数の和:256624

約数の個数: 20

約数和(自身を含む): 63639280

約数和(自身を除く): 34899072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 256609, 513218, 1026436, 1796263, 2052872, 3592526, 4105744, 7185052, 14370104, 28740208]

約数ペア:

[(1, 28740208), (2, 14370104), (4, 7185052), (7, 4105744), (8, 3592526), (14, 2052872), (16, 1796263), (28, 1026436), (56, 513218), (112, 256609)]