221131728

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:994

約数の個数: 160

約数和(自身を含む): 691920000

約数和(自身を除く): 470788272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 36, 38, 48, 54, 57, 58, 72, 76, 87, 108, 114, 116, 144, 152, 171, 174, 216, 228, 232, 261, 304, 342, 348, 432, 456, 464, 513, 522, 551, 684, 696, 783, 912, 929, 1026, 1044, 1102, 1368, 1392, 1566, 1653, 1858, 2052, 2088, 2204, 2736, 2787, 3132, 3306, 3716, 4104, 4176, 4408, 4959, 5574, 6264, 6612, 7432, 8208, 8361, 8816, 9918, 11148, 12528, 13224, 14864, 14877, 16722, 17651, 19836, 22296, 25083, 26448, 26941, 29754, 33444, 35302, 39672, 44592, 50166, 52953, 53882, 59508, 66888, 70604, 79344, 80823, 100332, 105906, 107764, 119016, 133776, 141208, 158859, 161646, 200664, 211812, 215528, 238032, 242469, 282416, 317718, 323292, 401328, 423624, 431056, 476577, 484938, 511879, 635436, 646584, 727407, 847248, 953154, 969876, 1023758, 1270872, 1293168, 1454814, 1535637, 1906308, 1939752, 2047516, 2541744, 2909628, 3071274, 3812616, 3879504, 4095032, 4606911, 5819256, 6142548, 7625232, 8190064, 9213822, 11638512, 12285096, 13820733, 18427644, 24570192, 27641466, 36855288, 55282932, 73710576, 110565864, 221131728]

約数ペア:

[(1, 221131728), (2, 110565864), (3, 73710576), (4, 55282932), (6, 36855288), (8, 27641466), (9, 24570192), (12, 18427644), (16, 13820733), (18, 12285096), (19, 11638512), (24, 9213822), (27, 8190064), (29, 7625232), (36, 6142548), (38, 5819256), (48, 4606911), (54, 4095032), (57, 3879504), (58, 3812616), (72, 3071274), (76, 2909628), (87, 2541744), (108, 2047516), (114, 1939752), (116, 1906308), (144, 1535637), (152, 1454814), (171, 1293168), (174, 1270872), (216, 1023758), (228, 969876), (232, 953154), (261, 847248), (304, 727407), (342, 646584), (348, 635436), (432, 511879), (456, 484938), (464, 476577), (513, 431056), (522, 423624), (551, 401328), (684, 323292), (696, 317718), (783, 282416), (912, 242469), (929, 238032), (1026, 215528), (1044, 211812), (1102, 200664), (1368, 161646), (1392, 158859), (1566, 141208), (1653, 133776), (1858, 119016), (2052, 107764), (2088, 105906), (2204, 100332), (2736, 80823), (2787, 79344), (3132, 70604), (3306, 66888), (3716, 59508), (4104, 53882), (4176, 52953), (4408, 50166), (4959, 44592), (5574, 39672), (6264, 35302), (6612, 33444), (7432, 29754), (8208, 26941), (8361, 26448), (8816, 25083), (9918, 22296), (11148, 19836), (12528, 17651), (13224, 16722), (14864, 14877)]