39987628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 75743080

約数和(自身を除く): 35755452

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 313, 626, 779, 1252, 1558, 1681, 3116, 3362, 5947, 6724, 11894, 12833, 23788, 25666, 31939, 51332, 63878, 127756, 243827, 487654, 526153, 975308, 1052306, 2104612, 9996907, 19993814, 39987628]

約数ペア:

[(1, 39987628), (2, 19993814), (4, 9996907), (19, 2104612), (38, 1052306), (41, 975308), (76, 526153), (82, 487654), (164, 243827), (313, 127756), (626, 63878), (779, 51332), (1252, 31939), (1558, 25666), (1681, 23788), (3116, 12833), (3362, 11894), (5947, 6724)]