28213556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 59928960

約数和(自身を除く): 31715404

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 181, 266, 293, 362, 532, 586, 724, 1172, 1267, 2051, 2534, 3439, 4102, 5068, 5567, 6878, 8204, 11134, 13756, 22268, 24073, 38969, 48146, 53033, 77938, 96292, 106066, 155876, 212132, 371231, 742462, 1007627, 1484924, 2015254, 4030508, 7053389, 14106778, 28213556]

約数ペア:

[(1, 28213556), (2, 14106778), (4, 7053389), (7, 4030508), (14, 2015254), (19, 1484924), (28, 1007627), (38, 742462), (76, 371231), (133, 212132), (181, 155876), (266, 106066), (293, 96292), (362, 77938), (532, 53033), (586, 48146), (724, 38969), (1172, 24073), (1267, 22268), (2051, 13756), (2534, 11134), (3439, 8204), (4102, 6878), (5068, 5567)]