397495919

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{2141}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 421956864

約数和(自身を除く): 24460945

約数列:

[1, 31, 53, 113, 1643, 2141, 3503, 5989, 66371, 113473, 185659, 241933, 3517663, 7499923, 12822449, 397495919]

約数ペア:

[(1, 397495919), (31, 12822449), (53, 7499923), (113, 3517663), (1643, 241933), (2141, 185659), (3503, 113473), (5989, 66371)]