28909412

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 62160000

約数和(自身を除く): 33250588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1109, 1372, 1862, 2218, 3724, 4436, 6517, 7763, 13034, 15526, 21071, 26068, 31052, 42142, 54341, 84284, 108682, 147497, 217364, 294994, 380387, 589988, 760774, 1032479, 1521548, 2064958, 4129916, 7227353, 14454706, 28909412]

約数ペア:

[(1, 28909412), (2, 14454706), (4, 7227353), (7, 4129916), (14, 2064958), (19, 1521548), (28, 1032479), (38, 760774), (49, 589988), (76, 380387), (98, 294994), (133, 217364), (196, 147497), (266, 108682), (343, 84284), (532, 54341), (686, 42142), (931, 31052), (1109, 26068), (1372, 21071), (1862, 15526), (2218, 13034), (3724, 7763), (4436, 6517)]