28278008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{321341}}^1$

素因数の和:321358

約数の個数: 16

約数和(自身を含む): 57841560

約数和(自身を除く): 29563552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 321341, 642682, 1285364, 2570728, 3534751, 7069502, 14139004, 28278008]

約数ペア:

[(1, 28278008), (2, 14139004), (4, 7069502), (8, 3534751), (11, 2570728), (22, 1285364), (44, 642682), (88, 321341)]