338981888

素因数分解:

$2^{10}\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 132

約数和(自身を含む): 823581792

約数和(自身を除く): 484599904

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 131, 133, 152, 224, 256, 262, 266, 304, 361, 448, 512, 524, 532, 608, 722, 896, 917, 1024, 1048, 1064, 1216, 1444, 1792, 1834, 2096, 2128, 2432, 2489, 2527, 2888, 3584, 3668, 4192, 4256, 4864, 4978, 5054, 5776, 7168, 7336, 8384, 8512, 9728, 9956, 10108, 11552, 14672, 16768, 17024, 17423, 19456, 19912, 20216, 23104, 29344, 33536, 34048, 34846, 39824, 40432, 46208, 47291, 58688, 67072, 68096, 69692, 79648, 80864, 92416, 94582, 117376, 134144, 136192, 139384, 159296, 161728, 184832, 189164, 234752, 278768, 318592, 323456, 331037, 369664, 378328, 469504, 557536, 637184, 646912, 662074, 756656, 939008, 1115072, 1274368, 1293824, 1324148, 1513312, 2230144, 2548736, 2587648, 2648296, 3026624, 4460288, 5296592, 6053248, 8920576, 10593184, 12106496, 17841152, 21186368, 24212992, 42372736, 48425984, 84745472, 169490944, 338981888]

約数ペア:

[(1, 338981888), (2, 169490944), (4, 84745472), (7, 48425984), (8, 42372736), (14, 24212992), (16, 21186368), (19, 17841152), (28, 12106496), (32, 10593184), (38, 8920576), (56, 6053248), (64, 5296592), (76, 4460288), (112, 3026624), (128, 2648296), (131, 2587648), (133, 2548736), (152, 2230144), (224, 1513312), (256, 1324148), (262, 1293824), (266, 1274368), (304, 1115072), (361, 939008), (448, 756656), (512, 662074), (524, 646912), (532, 637184), (608, 557536), (722, 469504), (896, 378328), (917, 369664), (1024, 331037), (1048, 323456), (1064, 318592), (1216, 278768), (1444, 234752), (1792, 189164), (1834, 184832), (2096, 161728), (2128, 159296), (2432, 139384), (2489, 136192), (2527, 134144), (2888, 117376), (3584, 94582), (3668, 92416), (4192, 80864), (4256, 79648), (4864, 69692), (4978, 68096), (5054, 67072), (5776, 58688), (7168, 47291), (7336, 46208), (8384, 40432), (8512, 39824), (9728, 34846), (9956, 34048), (10108, 33536), (11552, 29344), (14672, 23104), (16768, 20216), (17024, 19912), (17423, 19456)]