128039233

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20483}}^1$

素因数の和:20556

約数の個数: 16

約数和(自身を含む): 157317120

約数和(自身を除く): 29277887

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 20483, 143381, 389177, 962701, 2724239, 6738907, 18291319, 128039233]

約数ペア:

[(1, 128039233), (7, 18291319), (19, 6738907), (47, 2724239), (133, 962701), (329, 389177), (893, 143381), (6251, 20483)]