51380752

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{16301}}^1$

素因数の和:16506

約数の個数: 20

約数和(自身を含む): 100061676

約数和(自身を除く): 48680924

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 16301, 32602, 65204, 130408, 260816, 3211297, 6422594, 12845188, 25690376, 51380752]

約数ペア:

[(1, 51380752), (2, 25690376), (4, 12845188), (8, 6422594), (16, 3211297), (197, 260816), (394, 130408), (788, 65204), (1576, 32602), (3152, 16301)]