242154145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{12809}}^1$

素因数の和:13032

約数の個数: 16

約数和(自身を含む): 307440000

約数和(自身を除く): 65285855

約数列:

[1, 5, 19, 95, 199, 995, 3781, 12809, 18905, 64045, 243371, 1216855, 2548991, 12744955, 48430829, 242154145]

約数ペア:

[(1, 242154145), (5, 48430829), (19, 12744955), (95, 2548991), (199, 1216855), (995, 243371), (3781, 64045), (12809, 18905)]