28728008

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{21503}}^1$

素因数の和:21676

約数の個数: 16

約数和(自身を含む): 54190080

約数和(自身を除く): 25462072

約数列:

[1, 2, 4, 8, 167, 334, 668, 1336, 21503, 43006, 86012, 172024, 3591001, 7182002, 14364004, 28728008]

約数ペア:

[(1, 28728008), (2, 14364004), (4, 7182002), (8, 3591001), (167, 172024), (334, 86012), (668, 43006), (1336, 21503)]