18040085

素因数分解:

$5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 25785600

約数和(自身を除く): 7745515

約数列:

[1, 5, 7, 35, 49, 67, 157, 245, 335, 343, 469, 785, 1099, 1715, 2345, 3283, 5495, 7693, 10519, 16415, 22981, 38465, 52595, 53851, 73633, 114905, 269255, 368165, 515431, 2577155, 3608017, 18040085]

約数ペア:

[(1, 18040085), (5, 3608017), (7, 2577155), (35, 515431), (49, 368165), (67, 269255), (157, 114905), (245, 73633), (335, 53851), (343, 52595), (469, 38465), (785, 22981), (1099, 16415), (1715, 10519), (2345, 7693), (3283, 5495)]