39890417

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 47101824

約数和(自身を除く): 7211407

約数列:

[1, 7, 41, 131, 287, 917, 1061, 5371, 7427, 37597, 43501, 138991, 304507, 972937, 5698631, 39890417]

約数ペア:

[(1, 39890417), (7, 5698631), (41, 972937), (131, 304507), (287, 138991), (917, 43501), (1061, 37597), (5371, 7427)]