209912692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{128939}}^1$

素因数の和:128991

約数の個数: 24

約数和(自身を含む): 411576480

約数和(自身を除く): 201663788

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 128939, 257878, 515756, 1418329, 2836658, 4770743, 5673316, 9541486, 19082972, 52478173, 104956346, 209912692]

約数ペア:

[(1, 209912692), (2, 104956346), (4, 52478173), (11, 19082972), (22, 9541486), (37, 5673316), (44, 4770743), (74, 2836658), (148, 1418329), (407, 515756), (814, 257878), (1628, 128939)]