12864995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 19111680

約数和(自身を除く): 6246685

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 947, 1045, 1235, 2717, 4735, 10417, 12311, 13585, 17993, 52085, 61555, 89965, 135421, 197923, 233909, 677105, 989615, 1169545, 2572999, 12864995]

約数ペア:

[(1, 12864995), (5, 2572999), (11, 1169545), (13, 989615), (19, 677105), (55, 233909), (65, 197923), (95, 135421), (143, 89965), (209, 61555), (247, 52085), (715, 17993), (947, 13585), (1045, 12311), (1235, 10417), (2717, 4735)]