28718728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{188939}}^1$

素因数の和:188964

約数の個数: 16

約数和(自身を含む): 56682000

約数和(自身を除く): 27963272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 188939, 377878, 755756, 1511512, 3589841, 7179682, 14359364, 28718728]

約数ペア:

[(1, 28718728), (2, 14359364), (4, 7179682), (8, 3589841), (19, 1511512), (38, 755756), (76, 377878), (152, 188939)]