168555985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 222969600

約数和(自身を除く): 54413615

約数列:

[1, 5, 13, 65, 83, 157, 199, 415, 785, 995, 1079, 2041, 2587, 5395, 10205, 12935, 13031, 16517, 31243, 65155, 82585, 156215, 169403, 214721, 406159, 847015, 1073605, 2030795, 2593169, 12965845, 33711197, 168555985]

約数ペア:

[(1, 168555985), (5, 33711197), (13, 12965845), (65, 2593169), (83, 2030795), (157, 1073605), (199, 847015), (415, 406159), (785, 214721), (995, 169403), (1079, 156215), (2041, 82585), (2587, 65155), (5395, 31243), (10205, 16517), (12935, 13031)]