1396336

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 20

約数和(自身を含む): 2725272

約数和(自身を除く): 1328936

約数列:

[1, 2, 4, 8, 16, 197, 394, 443, 788, 886, 1576, 1772, 3152, 3544, 7088, 87271, 174542, 349084, 698168, 1396336]

約数ペア:

[(1, 1396336), (2, 698168), (4, 349084), (8, 174542), (16, 87271), (197, 7088), (394, 3544), (443, 3152), (788, 1772), (886, 1576)]