200747728

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{63689}}^1$

素因数の和:63894

約数の個数: 20

約数和(自身を含む): 390929220

約数和(自身を除く): 190181492

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 63689, 127378, 254756, 509512, 1019024, 12546733, 25093466, 50186932, 100373864, 200747728]

約数ペア:

[(1, 200747728), (2, 100373864), (4, 50186932), (8, 25093466), (16, 12546733), (197, 1019024), (394, 509512), (788, 254756), (1576, 127378), (3152, 63689)]