2667748888

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{670963}}^1$

素因数の和:671047

約数の個数: 32

約数和(自身を含む): 5797128960

約数和(自身を除く): 3129380072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 670963, 1341926, 2683852, 4696741, 5367704, 9393482, 18786964, 37573928, 47638373, 95276746, 190553492, 333468611, 381106984, 666937222, 1333874444, 2667748888]

約数ペア:

[(1, 2667748888), (2, 1333874444), (4, 666937222), (7, 381106984), (8, 333468611), (14, 190553492), (28, 95276746), (56, 47638373), (71, 37573928), (142, 18786964), (284, 9393482), (497, 5367704), (568, 4696741), (994, 2683852), (1988, 1341926), (3976, 670963)]