209844518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1559}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 352235520

約数和(自身を除く): 142391002

約数列:

[1, 2, 13, 26, 31, 62, 167, 334, 403, 806, 1559, 2171, 3118, 4342, 5177, 10354, 20267, 40534, 48329, 67301, 96658, 134602, 260353, 520706, 628277, 1256554, 3384589, 6769178, 8070943, 16141886, 104922259, 209844518]

約数ペア:

[(1, 209844518), (2, 104922259), (13, 16141886), (26, 8070943), (31, 6769178), (62, 3384589), (167, 1256554), (334, 628277), (403, 520706), (806, 260353), (1559, 134602), (2171, 96658), (3118, 67301), (4342, 48329), (5177, 40534), (10354, 20267)]