201218941

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{647}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 256188096

約数和(自身を除く): 54969155

約数列:

[1, 7, 11, 49, 77, 539, 577, 647, 4039, 4529, 6347, 7117, 28273, 31703, 44429, 49819, 311003, 348733, 373319, 2613233, 4106509, 18292631, 28745563, 201218941]

約数ペア:

[(1, 201218941), (7, 28745563), (11, 18292631), (49, 4106509), (77, 2613233), (539, 373319), (577, 348733), (647, 311003), (4039, 49819), (4529, 44429), (6347, 31703), (7117, 28273)]