28806988

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6553}}^1$

素因数の和:6721

約数の個数: 24

約数和(自身を含む): 57989792

約数和(自身を除く): 29182804

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 6553, 13106, 26212, 45871, 91742, 183484, 1028821, 2057642, 4115284, 7201747, 14403494, 28806988]

約数ペア:

[(1, 28806988), (2, 14403494), (4, 7201747), (7, 4115284), (14, 2057642), (28, 1028821), (157, 183484), (314, 91742), (628, 45871), (1099, 26212), (2198, 13106), (4396, 6553)]