28407004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 51126768

約数和(自身を除く): 22719764

約数列:

[1, 2, 4, 43, 86, 172, 317, 521, 634, 1042, 1268, 2084, 13631, 22403, 27262, 44806, 54524, 89612, 165157, 330314, 660628, 7101751, 14203502, 28407004]

約数ペア:

[(1, 28407004), (2, 14203502), (4, 7101751), (43, 660628), (86, 330314), (172, 165157), (317, 89612), (521, 54524), (634, 44806), (1042, 27262), (1268, 22403), (2084, 13631)]