278324137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{31531}}^1$

素因数の和:31648

約数の個数: 16

約数和(自身を含む): 346095232

約数和(自身を除く): 67771095

約数列:

[1, 7, 13, 91, 97, 679, 1261, 8827, 31531, 220717, 409903, 2869321, 3058507, 21409549, 39760591, 278324137]

約数ペア:

[(1, 278324137), (7, 39760591), (13, 21409549), (91, 3058507), (97, 2869321), (679, 409903), (1261, 220717), (8827, 31531)]