1239619745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{28087}}^1$

素因数の和:28209

約数の個数: 32

約数和(自身を含む): 1849763328

約数和(自身を除く): 610143583

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 455, 485, 679, 1261, 3395, 6305, 8827, 28087, 44135, 140435, 196609, 365131, 983045, 1825655, 2555917, 2724439, 12779585, 13622195, 19071073, 35417707, 95355365, 177088535, 247923949, 1239619745]

約数ペア:

[(1, 1239619745), (5, 247923949), (7, 177088535), (13, 95355365), (35, 35417707), (65, 19071073), (91, 13622195), (97, 12779585), (455, 2724439), (485, 2555917), (679, 1825655), (1261, 983045), (3395, 365131), (6305, 196609), (8827, 140435), (28087, 44135)]