2561003.00000000

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 81285120

約数和(自身を除く): 16620949

約数列:

[1, 11, 13, 29, 31, 143, 319, 341, 377, 403, 503, 899, 4147, 4433, 5533, 6539, 9889, 11687, 14587, 15593, 71929, 128557, 160457, 171523, 189631, 202709, 452197, 2085941, 2229799, 4974167, 5878561, 64664171]

約数ペア:

[(1, 64664171), (11, 5878561), (13, 4974167), (29, 2229799), (31, 2085941), (143, 452197), (319, 202709), (341, 189631), (377, 171523), (403, 160457), (503, 128557), (899, 71929), (4147, 15593), (4433, 14587), (5533, 11687), (6539, 9889)]