39981806

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3739

約数の個数: 16

約数和(自身を含む): 61901280

約数和(自身を除く): 21919474

約数列:

[1, 2, 41, 82, 137, 274, 3559, 5617, 7118, 11234, 145919, 291838, 487583, 975166, 19990903, 39981806]

約数ペア:

[(1, 39981806), (2, 19990903), (41, 975166), (82, 487583), (137, 291838), (274, 145919), (3559, 11234), (5617, 7118)]