1640377544

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{4721}}^1$

素因数の和:5010

約数の個数: 48

約数和(自身を含む): 3344167620

約数和(自身を除く): 1703790076

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 257, 338, 514, 676, 1028, 1352, 2056, 3341, 4721, 6682, 9442, 13364, 18884, 26728, 37768, 43433, 61373, 86866, 122746, 173732, 245492, 347464, 490984, 797849, 1213297, 1595698, 2426594, 3191396, 4853188, 6382792, 9706376, 15772861, 31545722, 63091444, 126182888, 205047193, 410094386, 820188772, 1640377544]

約数ペア:

[(1, 1640377544), (2, 820188772), (4, 410094386), (8, 205047193), (13, 126182888), (26, 63091444), (52, 31545722), (104, 15772861), (169, 9706376), (257, 6382792), (338, 4853188), (514, 3191396), (676, 2426594), (1028, 1595698), (1352, 1213297), (2056, 797849), (3341, 490984), (4721, 347464), (6682, 245492), (9442, 173732), (13364, 122746), (18884, 86866), (26728, 61373), (37768, 43433)]