28348456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 56210400

約数和(自身を除く): 27861944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 443, 842, 886, 1684, 1772, 3368, 3544, 7999, 8417, 15998, 16834, 31996, 33668, 63992, 67336, 186503, 373006, 746012, 1492024, 3543557, 7087114, 14174228, 28348456]

約数ペア:

[(1, 28348456), (2, 14174228), (4, 7087114), (8, 3543557), (19, 1492024), (38, 746012), (76, 373006), (152, 186503), (421, 67336), (443, 63992), (842, 33668), (886, 31996), (1684, 16834), (1772, 15998), (3368, 8417), (3544, 7999)]