991570216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:939

約数の個数: 128

約数和(自身を含む): 2409523200

約数和(自身を除く): 1417952984

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 53, 56, 62, 91, 104, 106, 124, 182, 212, 217, 248, 364, 371, 403, 424, 434, 689, 728, 742, 806, 829, 868, 1378, 1484, 1612, 1643, 1658, 1736, 2756, 2821, 2968, 3224, 3286, 3316, 4823, 5512, 5642, 5803, 6572, 6632, 9646, 10777, 11284, 11501, 11606, 13144, 19292, 21359, 21554, 22568, 23002, 23212, 25699, 38584, 42718, 43108, 43937, 46004, 46424, 51398, 75439, 85436, 86216, 87874, 92008, 102796, 149513, 150878, 170872, 175748, 179893, 205592, 299026, 301756, 307559, 334087, 351496, 359786, 571181, 598052, 603512, 615118, 668174, 719572, 1142362, 1196104, 1230236, 1336348, 1362047, 1439144, 2284724, 2338609, 2460472, 2672696, 2724094, 3998267, 4569448, 4677218, 5448188, 7996534, 9354436, 9534329, 10896376, 15993068, 17706611, 18708872, 19068658, 31986136, 35413222, 38137316, 70826444, 76274632, 123946277, 141652888, 247892554, 495785108, 991570216]

約数ペア:

[(1, 991570216), (2, 495785108), (4, 247892554), (7, 141652888), (8, 123946277), (13, 76274632), (14, 70826444), (26, 38137316), (28, 35413222), (31, 31986136), (52, 19068658), (53, 18708872), (56, 17706611), (62, 15993068), (91, 10896376), (104, 9534329), (106, 9354436), (124, 7996534), (182, 5448188), (212, 4677218), (217, 4569448), (248, 3998267), (364, 2724094), (371, 2672696), (403, 2460472), (424, 2338609), (434, 2284724), (689, 1439144), (728, 1362047), (742, 1336348), (806, 1230236), (829, 1196104), (868, 1142362), (1378, 719572), (1484, 668174), (1612, 615118), (1643, 603512), (1658, 598052), (1736, 571181), (2756, 359786), (2821, 351496), (2968, 334087), (3224, 307559), (3286, 301756), (3316, 299026), (4823, 205592), (5512, 179893), (5642, 175748), (5803, 170872), (6572, 150878), (6632, 149513), (9646, 102796), (10777, 92008), (11284, 87874), (11501, 86216), (11606, 85436), (13144, 75439), (19292, 51398), (21359, 46424), (21554, 46004), (22568, 43937), (23002, 43108), (23212, 42718), (25699, 38584)]