1641509989

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{80557}}^1$

素因数の和:80676

約数の個数: 16

約数和(自身を含む): 1948859136

約数和(自身を除く): 307349147

約数列:

[1, 7, 41, 71, 287, 497, 2911, 20377, 80557, 563899, 3302837, 5719547, 23119859, 40036829, 234501427, 1641509989]

約数ペア:

[(1, 1641509989), (7, 234501427), (41, 40036829), (71, 23119859), (287, 5719547), (497, 3302837), (2911, 563899), (20377, 80557)]