81214201585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{69127}}^1$

素因数の和:69705

約数の個数: 32

約数和(自身を含む): 109120483584

約数和(自身を除く): 27906281999

約数列:

[1, 5, 11, 41, 55, 205, 451, 521, 2255, 2605, 5731, 21361, 28655, 69127, 106805, 234971, 345635, 760397, 1174855, 2834207, 3801985, 14171035, 31176277, 36015167, 155881385, 180075835, 396166837, 1476621847, 1980834185, 7383109235, 16242840317, 81214201585]

約数ペア:

[(1, 81214201585), (5, 16242840317), (11, 7383109235), (41, 1980834185), (55, 1476621847), (205, 396166837), (451, 180075835), (521, 155881385), (2255, 36015167), (2605, 31176277), (5731, 14171035), (21361, 3801985), (28655, 2834207), (69127, 1174855), (106805, 760397), (234971, 345635)]