28690235

素因数分解:

$5^1\times 7^3\times {\mathrm{16729}}^1$

素因数の和:16755

約数の個数: 16

約数和(自身を含む): 40152000

約数和(自身を除く): 11461765

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 16729, 83645, 117103, 585515, 819721, 4098605, 5738047, 28690235]

約数ペア:

[(1, 28690235), (5, 5738047), (7, 4098605), (35, 819721), (49, 585515), (245, 117103), (343, 83645), (1715, 16729)]