28407128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{186889}}^1$

素因数の和:186914

約数の個数: 16

約数和(自身を含む): 56067000

約数和(自身を除く): 27659872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 186889, 373778, 747556, 1495112, 3550891, 7101782, 14203564, 28407128]

約数ペア:

[(1, 28407128), (2, 14203564), (4, 7101782), (8, 3550891), (19, 1495112), (38, 747556), (76, 373778), (152, 186889)]