12638416

素因数分解:

$2^4\times 7^1\times {\mathrm{112843}}^1$

素因数の和:112858

約数の個数: 20

約数和(自身を含む): 27985312

約数和(自身を除く): 15346896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 112843, 225686, 451372, 789901, 902744, 1579802, 1805488, 3159604, 6319208, 12638416]

約数ペア:

[(1, 12638416), (2, 6319208), (4, 3159604), (7, 1805488), (8, 1579802), (14, 902744), (16, 789901), (28, 451372), (56, 225686), (112, 112843)]