28267448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{321221}}^1$

素因数の和:321238

約数の個数: 16

約数和(自身を含む): 57819960

約数和(自身を除く): 29552512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 321221, 642442, 1284884, 2569768, 3533431, 7066862, 14133724, 28267448]

約数ペア:

[(1, 28267448), (2, 14133724), (4, 7066862), (8, 3533431), (11, 2569768), (22, 1284884), (44, 642442), (88, 321221)]