28440016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161591}}^1$

素因数の和:161610

約数の個数: 20

約数和(自身を含む): 60112224

約数和(自身を除く): 31672208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161591, 323182, 646364, 1292728, 1777501, 2585456, 3555002, 7110004, 14220008, 28440016]

約数ペア:

[(1, 28440016), (2, 14220008), (4, 7110004), (8, 3555002), (11, 2585456), (16, 1777501), (22, 1292728), (44, 646364), (88, 323182), (176, 161591)]