28783490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32341}}^1$

素因数の和:32437

約数の個数: 16

約数和(自身を含む): 52394040

約数和(自身を除く): 23610550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32341, 64682, 161705, 323410, 2878349, 5756698, 14391745, 28783490]

約数ペア:

[(1, 28783490), (2, 14391745), (5, 5756698), (10, 2878349), (89, 323410), (178, 161705), (445, 64682), (890, 32341)]