81328884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 249395328

約数和(自身を除く): 168066444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 119, 156, 169, 182, 204, 221, 238, 273, 337, 338, 357, 364, 442, 476, 507, 546, 663, 674, 676, 714, 884, 1011, 1014, 1092, 1183, 1326, 1348, 1428, 1547, 2022, 2028, 2359, 2366, 2652, 2873, 3094, 3549, 4044, 4381, 4641, 4718, 4732, 5729, 5746, 6188, 7077, 7098, 8619, 8762, 9282, 9436, 11458, 11492, 13143, 14154, 14196, 17187, 17238, 17524, 18564, 20111, 22916, 26286, 28308, 30667, 34374, 34476, 40103, 40222, 52572, 56953, 60333, 61334, 68748, 74477, 80206, 80444, 92001, 113906, 120309, 120666, 122668, 148954, 160412, 170859, 184002, 223431, 227812, 240618, 241332, 297908, 341718, 368004, 398671, 446862, 481236, 521339, 683436, 797342, 893724, 968201, 1042678, 1196013, 1564017, 1594684, 1936402, 2085356, 2392026, 2904603, 3128034, 3872804, 4784052, 5809206, 6256068, 6777407, 11618412, 13554814, 20332221, 27109628, 40664442, 81328884]

約数ペア:

[(1, 81328884), (2, 40664442), (3, 27109628), (4, 20332221), (6, 13554814), (7, 11618412), (12, 6777407), (13, 6256068), (14, 5809206), (17, 4784052), (21, 3872804), (26, 3128034), (28, 2904603), (34, 2392026), (39, 2085356), (42, 1936402), (51, 1594684), (52, 1564017), (68, 1196013), (78, 1042678), (84, 968201), (91, 893724), (102, 797342), (119, 683436), (156, 521339), (169, 481236), (182, 446862), (204, 398671), (221, 368004), (238, 341718), (273, 297908), (337, 241332), (338, 240618), (357, 227812), (364, 223431), (442, 184002), (476, 170859), (507, 160412), (546, 148954), (663, 122668), (674, 120666), (676, 120309), (714, 113906), (884, 92001), (1011, 80444), (1014, 80206), (1092, 74477), (1183, 68748), (1326, 61334), (1348, 60333), (1428, 56953), (1547, 52572), (2022, 40222), (2028, 40103), (2359, 34476), (2366, 34374), (2652, 30667), (2873, 28308), (3094, 26286), (3549, 22916), (4044, 20111), (4381, 18564), (4641, 17524), (4718, 17238), (4732, 17187), (5729, 14196), (5746, 14154), (6188, 13143), (7077, 11492), (7098, 11458), (8619, 9436), (8762, 9282)]