28001372

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2833}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 56181216

約数和(自身を除く): 28179844

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2471, 2833, 4942, 5666, 9884, 11332, 19831, 39662, 79324, 1000049, 2000098, 4000196, 7000343, 14000686, 28001372]

約数ペア:

[(1, 28001372), (2, 14000686), (4, 7000343), (7, 4000196), (14, 2000098), (28, 1000049), (353, 79324), (706, 39662), (1412, 19831), (2471, 11332), (2833, 9884), (4942, 5666)]