28782904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211639}}^1$

素因数の和:211662

約数の個数: 16

約数和(自身を含む): 57142800

約数和(自身を除く): 28359896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211639, 423278, 846556, 1693112, 3597863, 7195726, 14391452, 28782904]

約数ペア:

[(1, 28782904), (2, 14391452), (4, 7195726), (8, 3597863), (17, 1693112), (34, 846556), (68, 423278), (136, 211639)]