12813788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7949}}^1$

素因数の和:7997

約数の個数: 24

約数和(自身を含む): 24931200

約数和(自身を除く): 12117412

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 7949, 15898, 31796, 103337, 206674, 246419, 413348, 492838, 985676, 3203447, 6406894, 12813788]

約数ペア:

[(1, 12813788), (2, 6406894), (4, 3203447), (13, 985676), (26, 492838), (31, 413348), (52, 246419), (62, 206674), (124, 103337), (403, 31796), (806, 15898), (1612, 7949)]