201578585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 272885760

約数和(自身を除く): 71307175

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 1409, 2015, 2201, 4615, 7045, 11005, 18317, 28613, 43679, 91585, 100039, 143065, 218395, 500195, 567827, 1300507, 2839135, 3101209, 6502535, 15506045, 40315717, 201578585]

約数ペア:

[(1, 201578585), (5, 40315717), (13, 15506045), (31, 6502535), (65, 3101209), (71, 2839135), (155, 1300507), (355, 567827), (403, 500195), (923, 218395), (1409, 143065), (2015, 100039), (2201, 91585), (4615, 43679), (7045, 28613), (11005, 18317)]