161993216

素因数分解:

$2^9\times 7^2\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:630

約数の個数: 120

約数和(自身を含む): 411442416

約数和(自身を除く): 249449200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 512, 539, 587, 616, 704, 784, 896, 1078, 1174, 1232, 1408, 1568, 1792, 2156, 2348, 2464, 2816, 3136, 3584, 4109, 4312, 4696, 4928, 5632, 6272, 6457, 8218, 8624, 9392, 9856, 12544, 12914, 16436, 17248, 18784, 19712, 25088, 25828, 28763, 32872, 34496, 37568, 39424, 45199, 51656, 57526, 65744, 68992, 75136, 90398, 103312, 115052, 131488, 137984, 150272, 180796, 206624, 230104, 262976, 275968, 300544, 316393, 361592, 413248, 460208, 525952, 632786, 723184, 826496, 920416, 1051904, 1265572, 1446368, 1652992, 1840832, 2103808, 2531144, 2892736, 3305984, 3681664, 5062288, 5785472, 7363328, 10124576, 11570944, 14726656, 20249152, 23141888, 40498304, 80996608, 161993216]

約数ペア:

[(1, 161993216), (2, 80996608), (4, 40498304), (7, 23141888), (8, 20249152), (11, 14726656), (14, 11570944), (16, 10124576), (22, 7363328), (28, 5785472), (32, 5062288), (44, 3681664), (49, 3305984), (56, 2892736), (64, 2531144), (77, 2103808), (88, 1840832), (98, 1652992), (112, 1446368), (128, 1265572), (154, 1051904), (176, 920416), (196, 826496), (224, 723184), (256, 632786), (308, 525952), (352, 460208), (392, 413248), (448, 361592), (512, 316393), (539, 300544), (587, 275968), (616, 262976), (704, 230104), (784, 206624), (896, 180796), (1078, 150272), (1174, 137984), (1232, 131488), (1408, 115052), (1568, 103312), (1792, 90398), (2156, 75136), (2348, 68992), (2464, 65744), (2816, 57526), (3136, 51656), (3584, 45199), (4109, 39424), (4312, 37568), (4696, 34496), (4928, 32872), (5632, 28763), (6272, 25828), (6457, 25088), (8218, 19712), (8624, 18784), (9392, 17248), (9856, 16436), (12544, 12914)]