28437728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{80789}}^1$

素因数の和:80810

約数の個数: 24

約数和(自身を含む): 61077240

約数和(自身を除く): 32639512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 80789, 161578, 323156, 646312, 888679, 1292624, 1777358, 2585248, 3554716, 7109432, 14218864, 28437728]

約数ペア:

[(1, 28437728), (2, 14218864), (4, 7109432), (8, 3554716), (11, 2585248), (16, 1777358), (22, 1292624), (32, 888679), (44, 646312), (88, 323156), (176, 161578), (352, 80789)]