27891004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 50295168

約数和(自身を除く): 22404164

約数列:

[1, 2, 4, 43, 86, 167, 172, 334, 668, 971, 1942, 3884, 7181, 14362, 28724, 41753, 83506, 162157, 167012, 324314, 648628, 6972751, 13945502, 27891004]

約数ペア:

[(1, 27891004), (2, 13945502), (4, 6972751), (43, 648628), (86, 324314), (167, 167012), (172, 162157), (334, 83506), (668, 41753), (971, 28724), (1942, 14362), (3884, 7181)]