28515949

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 36235584

約数和(自身を除く): 7719635

約数列:

[1, 7, 11, 77, 121, 131, 257, 847, 917, 1441, 1799, 2827, 10087, 15851, 19789, 31097, 33667, 110957, 217679, 235669, 370337, 2592359, 4073707, 28515949]

約数ペア:

[(1, 28515949), (7, 4073707), (11, 2592359), (77, 370337), (121, 235669), (131, 217679), (257, 110957), (847, 33667), (917, 31097), (1441, 19789), (1799, 15851), (2827, 10087)]