2561508758

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1\times {\mathrm{937}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 4078093824

約数和(自身を除く): 1516585066

約数列:

[1, 2, 23, 46, 67, 134, 887, 937, 1541, 1774, 1874, 3082, 20401, 21551, 40802, 43102, 59429, 62779, 118858, 125558, 831119, 1366867, 1443917, 1662238, 2733734, 2887834, 19115737, 38231474, 55684973, 111369946, 1280754379, 2561508758]

約数ペア:

[(1, 2561508758), (2, 1280754379), (23, 111369946), (46, 55684973), (67, 38231474), (134, 19115737), (887, 2887834), (937, 2733734), (1541, 1662238), (1774, 1443917), (1874, 1366867), (3082, 831119), (20401, 125558), (21551, 118858), (40802, 62779), (43102, 59429)]