1640902868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{525257}}^1$

素因数の和:525343

約数の個数: 24

約数和(自身を含む): 3176760384

約数和(自身を除く): 1535857516

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 525257, 1050514, 2101028, 5777827, 11555654, 23111308, 37293247, 74586494, 149172988, 410225717, 820451434, 1640902868]

約数ペア:

[(1, 1640902868), (2, 820451434), (4, 410225717), (11, 149172988), (22, 74586494), (44, 37293247), (71, 23111308), (142, 11555654), (284, 5777827), (781, 2101028), (1562, 1050514), (3124, 525257)]