260981188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8588

約数の個数: 48

約数和(自身を含む): 534499840

約数和(自身を除く): 273518652

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 8521, 15314, 17042, 30628, 34084, 110773, 161899, 221546, 264151, 323798, 443092, 528302, 647596, 1056604, 2104687, 3433963, 4209374, 5018869, 6867926, 8418748, 10037738, 13735852, 20075476, 65245297, 130490594, 260981188]

約数ペア:

[(1, 260981188), (2, 130490594), (4, 65245297), (13, 20075476), (19, 13735852), (26, 10037738), (31, 8418748), (38, 6867926), (52, 5018869), (62, 4209374), (76, 3433963), (124, 2104687), (247, 1056604), (403, 647596), (494, 528302), (589, 443092), (806, 323798), (988, 264151), (1178, 221546), (1612, 161899), (2356, 110773), (7657, 34084), (8521, 30628), (15314, 17042)]