28140784

素因数分解:

$2^4\times 7^1\times {\mathrm{251257}}^1$

素因数の和:251272

約数の個数: 20

約数和(自身を含む): 62311984

約数和(自身を除く): 34171200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251257, 502514, 1005028, 1758799, 2010056, 3517598, 4020112, 7035196, 14070392, 28140784]

約数ペア:

[(1, 28140784), (2, 14070392), (4, 7035196), (7, 4020112), (8, 3517598), (14, 2010056), (16, 1758799), (28, 1005028), (56, 502514), (112, 251257)]