28124165

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 6349435

約数列:

[1, 5, 71, 227, 349, 355, 1135, 1745, 16117, 24779, 79223, 80585, 123895, 396115, 5624833, 28124165]

約数ペア:

[(1, 28124165), (5, 5624833), (71, 396115), (227, 123895), (349, 80585), (355, 79223), (1135, 24779), (1745, 16117)]