12638896

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{27239}}^1$

素因数の和:27276

約数の個数: 20

約数和(自身を含む): 25333200

約数和(自身を除く): 12694304

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 27239, 54478, 108956, 217912, 435824, 789931, 1579862, 3159724, 6319448, 12638896]

約数ペア:

[(1, 12638896), (2, 6319448), (4, 3159724), (8, 1579862), (16, 789931), (29, 435824), (58, 217912), (116, 108956), (232, 54478), (464, 27239)]