28820533

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 33785856

約数和(自身を除く): 4965323

約数列:

[1, 7, 71, 103, 497, 563, 721, 3941, 7313, 39973, 51191, 57989, 279811, 405923, 4117219, 28820533]

約数ペア:

[(1, 28820533), (7, 4117219), (71, 405923), (103, 279811), (497, 57989), (563, 51191), (721, 39973), (3941, 7313)]