388205439

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1\times {\mathrm{1619}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 521614080

約数和(自身を除く): 133408641

約数列:

[1, 3, 257, 311, 771, 933, 1619, 4857, 79927, 239781, 416083, 503509, 1248249, 1510527, 129401813, 388205439]

約数ペア:

[(1, 388205439), (3, 129401813), (257, 1510527), (311, 1248249), (771, 503509), (933, 416083), (1619, 239781), (4857, 79927)]