138723838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1\times {\mathrm{2131}}^1$

素因数の和:2424

約数の個数: 24

約数和(自身を含む): 229680360

約数和(自身を除く): 90956522

約数列:

[1, 2, 11, 22, 121, 242, 269, 538, 2131, 2959, 4262, 5918, 23441, 32549, 46882, 65098, 257851, 515702, 573239, 1146478, 6305629, 12611258, 69361919, 138723838]

約数ペア:

[(1, 138723838), (2, 69361919), (11, 12611258), (22, 6305629), (121, 1146478), (242, 573239), (269, 515702), (538, 257851), (2131, 65098), (2959, 46882), (4262, 32549), (5918, 23441)]