28149575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 8879305

約数列:

[1, 5, 25, 29, 41, 145, 205, 725, 947, 1025, 1189, 4735, 5945, 23675, 27463, 29725, 38827, 137315, 194135, 686575, 970675, 1125983, 5629915, 28149575]

約数ペア:

[(1, 28149575), (5, 5629915), (25, 1125983), (29, 970675), (41, 686575), (145, 194135), (205, 137315), (725, 38827), (947, 29725), (1025, 27463), (1189, 23675), (4735, 5945)]