1991462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 16

約数和(自身を含む): 3288384

約数和(自身を除く): 1296922

約数列:

[1, 2, 11, 22, 131, 262, 691, 1382, 1441, 2882, 7601, 15202, 90521, 181042, 995731, 1991462]

約数ペア:

[(1, 1991462), (2, 995731), (11, 181042), (22, 90521), (131, 15202), (262, 7601), (691, 2882), (1382, 1441)]