28013855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 35592480

約数和(自身を除く): 7578625

約数列:

[1, 5, 29, 43, 145, 215, 1247, 4493, 6235, 22465, 130297, 193199, 651485, 965995, 5602771, 28013855]

約数ペア:

[(1, 28013855), (5, 5602771), (29, 965995), (43, 651485), (145, 193199), (215, 130297), (1247, 22465), (4493, 6235)]