201780008

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{128033}}^1$

素因数の和:128236

約数の個数: 16

約数和(自身を含む): 380260980

約数和(自身を除く): 178480972

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 128033, 256066, 512132, 1024264, 25222501, 50445002, 100890004, 201780008]

約数ペア:

[(1, 201780008), (2, 100890004), (4, 50445002), (8, 25222501), (197, 1024264), (394, 512132), (788, 256066), (1576, 128033)]