28012088

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20719}}^1$

素因数の和:20751

約数の個数: 24

約数和(自身を含む): 56876400

約数和(自身を除く): 28864312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20719, 41438, 82876, 165752, 269347, 538694, 1077388, 2154776, 3501511, 7003022, 14006044, 28012088]

約数ペア:

[(1, 28012088), (2, 14006044), (4, 7003022), (8, 3501511), (13, 2154776), (26, 1077388), (52, 538694), (104, 269347), (169, 165752), (338, 82876), (676, 41438), (1352, 20719)]