820199196

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{12721}}^1$

素因数の和:12936

約数の個数: 60

約数和(自身を含む): 2155106800

約数和(自身を除く): 1334907604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 324, 398, 597, 796, 1194, 1791, 2388, 3582, 5373, 7164, 10746, 12721, 16119, 21492, 25442, 32238, 38163, 50884, 64476, 76326, 114489, 152652, 228978, 343467, 457956, 686934, 1030401, 1373868, 2060802, 2531479, 4121604, 5062958, 7594437, 10125916, 15188874, 22783311, 30377748, 45566622, 68349933, 91133244, 136699866, 205049799, 273399732, 410099598, 820199196]

約数ペア:

[(1, 820199196), (2, 410099598), (3, 273399732), (4, 205049799), (6, 136699866), (9, 91133244), (12, 68349933), (18, 45566622), (27, 30377748), (36, 22783311), (54, 15188874), (81, 10125916), (108, 7594437), (162, 5062958), (199, 4121604), (324, 2531479), (398, 2060802), (597, 1373868), (796, 1030401), (1194, 686934), (1791, 457956), (2388, 343467), (3582, 228978), (5373, 152652), (7164, 114489), (10746, 76326), (12721, 64476), (16119, 50884), (21492, 38163), (25442, 32238)]