1121392

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 20

約数和(自身を含む): 2196040

約数和(自身を除く): 1074648

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 643, 872, 1286, 1744, 2572, 5144, 10288, 70087, 140174, 280348, 560696, 1121392]

約数ペア:

[(1, 1121392), (2, 560696), (4, 280348), (8, 140174), (16, 70087), (109, 10288), (218, 5144), (436, 2572), (643, 1744), (872, 1286)]