208649089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1543}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 240122880

約数和(自身を除く): 31473791

約数列:

[1, 11, 19, 209, 647, 1543, 7117, 12293, 16973, 29317, 135223, 322487, 998321, 10981531, 18968099, 208649089]

約数ペア:

[(1, 208649089), (11, 18968099), (19, 10981531), (209, 998321), (647, 322487), (1543, 135223), (7117, 29317), (12293, 16973)]