28654388

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1481}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 57430464

約数和(自身を除く): 28776076

約数列:

[1, 2, 4, 7, 14, 28, 691, 1382, 1481, 2764, 2962, 4837, 5924, 9674, 10367, 19348, 20734, 41468, 1023371, 2046742, 4093484, 7163597, 14327194, 28654388]

約数ペア:

[(1, 28654388), (2, 14327194), (4, 7163597), (7, 4093484), (14, 2046742), (28, 1023371), (691, 41468), (1382, 20734), (1481, 19348), (2764, 10367), (2962, 9674), (4837, 5924)]