858105575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{2789}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 1101536640

約数和(自身を除く): 243431065

約数列:

[1, 5, 25, 31, 155, 397, 775, 1985, 2789, 9925, 12307, 13945, 61535, 69725, 86459, 307675, 432295, 1107233, 2161475, 5536165, 27680825, 34324223, 171621115, 858105575]

約数ペア:

[(1, 858105575), (5, 171621115), (25, 34324223), (31, 27680825), (155, 5536165), (397, 2161475), (775, 1107233), (1985, 432295), (2789, 307675), (9925, 86459), (12307, 69725), (13945, 61535)]