28539277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 34685280

約数和(自身を除く): 6146003

約数列:

[1, 13, 17, 29, 61, 73, 221, 377, 493, 793, 949, 1037, 1241, 1769, 2117, 4453, 6409, 13481, 16133, 22997, 27521, 30073, 35989, 57889, 75701, 129137, 390949, 467857, 984113, 1678781, 2195329, 28539277]

約数ペア:

[(1, 28539277), (13, 2195329), (17, 1678781), (29, 984113), (61, 467857), (73, 390949), (221, 129137), (377, 75701), (493, 57889), (793, 35989), (949, 30073), (1037, 27521), (1241, 22997), (1769, 16133), (2117, 13481), (4453, 6409)]