31587886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{33391}}^1$

素因数の和:33447

約数の個数: 16

約数和(自身を含む): 52892928

約数和(自身を除く): 21305042

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 33391, 66782, 367301, 734602, 1435813, 2871626, 15793943, 31587886]

約数ペア:

[(1, 31587886), (2, 15793943), (11, 2871626), (22, 1435813), (43, 734602), (86, 367301), (473, 66782), (946, 33391)]