28505876

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21661}}^1$

素因数の和:21719

約数の個数: 24

約数和(自身を含む): 58227456

約数和(自身を除く): 29721580

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21661, 43322, 86644, 151627, 303254, 606508, 1018067, 2036134, 4072268, 7126469, 14252938, 28505876]

約数ペア:

[(1, 28505876), (2, 14252938), (4, 7126469), (7, 4072268), (14, 2036134), (28, 1018067), (47, 606508), (94, 303254), (188, 151627), (329, 86644), (658, 43322), (1316, 21661)]