328904575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1069}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 422453120

約数和(自身を除く): 93548545

約数列:

[1, 5, 25, 31, 155, 397, 775, 1069, 1985, 5345, 9925, 12307, 26725, 33139, 61535, 165695, 307675, 424393, 828475, 2121965, 10609825, 13156183, 65780915, 328904575]

約数ペア:

[(1, 328904575), (5, 65780915), (25, 13156183), (31, 10609825), (155, 2121965), (397, 828475), (775, 424393), (1069, 307675), (1985, 165695), (5345, 61535), (9925, 33139), (12307, 26725)]