128686766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 217878528

約数和(自身を除く): 89191762

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1742, 2077, 2383, 4154, 4766, 27001, 30979, 54002, 61958, 73873, 147746, 159661, 319322, 960349, 1920698, 2075593, 4151186, 4949491, 9898982, 64343383, 128686766]

約数ペア:

[(1, 128686766), (2, 64343383), (13, 9898982), (26, 4949491), (31, 4151186), (62, 2075593), (67, 1920698), (134, 960349), (403, 319322), (806, 159661), (871, 147746), (1742, 73873), (2077, 61958), (2383, 54002), (4154, 30979), (4766, 27001)]