28749886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{30391}}^1$

素因数の和:30447

約数の個数: 16

約数和(自身を含む): 48140928

約数和(自身を除く): 19391042

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 30391, 60782, 334301, 668602, 1306813, 2613626, 14374943, 28749886]

約数ペア:

[(1, 28749886), (2, 14374943), (11, 2613626), (22, 1306813), (43, 668602), (86, 334301), (473, 60782), (946, 30391)]