12840754486

素因数分解:

$2^1\times 7^4\times {\mathrm{2674043}}^1$

素因数の和:2674073

約数の個数: 20

約数和(自身を含む): 22469991732

約数和(自身を除く): 9629237246

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 2674043, 5348086, 18718301, 37436602, 131028107, 262056214, 917196749, 1834393498, 6420377243, 12840754486]

約数ペア:

[(1, 12840754486), (2, 6420377243), (7, 1834393498), (14, 917196749), (49, 262056214), (98, 131028107), (343, 37436602), (686, 18718301), (2401, 5348086), (4802, 2674043)]