206538892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{388231}}^1$

素因数の和:388261

約数の個数: 24

約数和(自身を含む): 434819840

約数和(自身を除く): 228280948

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 388231, 776462, 1552924, 2717617, 5435234, 7376389, 10870468, 14752778, 29505556, 51634723, 103269446, 206538892]

約数ペア:

[(1, 206538892), (2, 103269446), (4, 51634723), (7, 29505556), (14, 14752778), (19, 10870468), (28, 7376389), (38, 5435234), (76, 2717617), (133, 1552924), (266, 776462), (532, 388231)]