28287335

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 35592480

約数和(自身を除く): 7305145

約数列:

[1, 5, 41, 43, 205, 215, 1763, 3209, 8815, 16045, 131569, 137987, 657845, 689935, 5657467, 28287335]

約数ペア:

[(1, 28287335), (5, 5657467), (41, 689935), (43, 657845), (205, 137987), (215, 131569), (1763, 16045), (3209, 8815)]