217394764

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{5153}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 389642400

約数和(自身を除く): 172247636

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 796, 5153, 10306, 10547, 20612, 21094, 42188, 273109, 546218, 1025447, 1092436, 2050894, 4101788, 54348691, 108697382, 217394764]

約数ペア:

[(1, 217394764), (2, 108697382), (4, 54348691), (53, 4101788), (106, 2050894), (199, 1092436), (212, 1025447), (398, 546218), (796, 273109), (5153, 42188), (10306, 21094), (10547, 20612)]