28891478

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26801}}^1$

素因数の和:26828

約数の個数: 24

約数和(自身を含む): 54997704

約数和(自身を除く): 26106226

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 26801, 53602, 187607, 294811, 375214, 589622, 1313249, 2063677, 2626498, 4127354, 14445739, 28891478]

約数ペア:

[(1, 28891478), (2, 14445739), (7, 4127354), (11, 2626498), (14, 2063677), (22, 1313249), (49, 589622), (77, 375214), (98, 294811), (154, 187607), (539, 53602), (1078, 26801)]