199904585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{4201}}^1$

素因数の和:4544

約数の個数: 16

約数和(自身を含む): 248489472

約数和(自身を除く): 48584887

約数列:

[1, 5, 31, 155, 307, 1535, 4201, 9517, 21005, 47585, 130231, 651155, 1289707, 6448535, 39980917, 199904585]

約数ペア:

[(1, 199904585), (5, 39980917), (31, 6448535), (155, 1289707), (307, 651155), (1535, 130231), (4201, 47585), (9517, 21005)]