28385916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{13997}}^1$

素因数の和:14030

約数の個数: 36

約数和(自身を含む): 71725752

約数和(自身を除く): 43339836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 13997, 27994, 41991, 55988, 83982, 167964, 181961, 363922, 545883, 727844, 1091766, 2183532, 2365493, 4730986, 7096479, 9461972, 14192958, 28385916]

約数ペア:

[(1, 28385916), (2, 14192958), (3, 9461972), (4, 7096479), (6, 4730986), (12, 2365493), (13, 2183532), (26, 1091766), (39, 727844), (52, 545883), (78, 363922), (156, 181961), (169, 167964), (338, 83982), (507, 55988), (676, 41991), (1014, 27994), (2028, 13997)]