28439495

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21961}}^1$

素因数の和:22010

約数の個数: 16

約数和(自身を含む): 40058688

約数和(自身を除く): 11619193

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 21961, 109805, 153727, 768635, 812557, 4062785, 5687899, 28439495]

約数ペア:

[(1, 28439495), (5, 5687899), (7, 4062785), (35, 812557), (37, 768635), (185, 153727), (259, 109805), (1295, 21961)]