781563328

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1067

約数の個数: 168

約数和(自身を含む): 2047189200

約数和(自身を除く): 1265625872

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 448, 494, 532, 608, 637, 728, 784, 832, 931, 988, 1009, 1064, 1216, 1274, 1456, 1568, 1729, 1862, 1976, 2018, 2128, 2548, 2912, 3136, 3458, 3724, 3952, 4036, 4256, 5096, 5824, 6916, 7063, 7448, 7904, 8072, 8512, 10192, 12103, 13117, 13832, 14126, 14896, 15808, 16144, 19171, 20384, 24206, 26234, 27664, 28252, 29792, 32288, 38342, 40768, 48412, 49441, 52468, 55328, 56504, 59584, 64576, 76684, 91819, 96824, 98882, 104936, 110656, 113008, 134197, 153368, 183638, 193648, 197764, 209872, 226016, 249223, 268394, 306736, 367276, 387296, 395528, 419744, 452032, 498446, 536788, 613472, 642733, 734552, 774592, 791056, 839488, 939379, 996892, 1073576, 1226944, 1285466, 1469104, 1582112, 1744561, 1878758, 1993784, 2147152, 2570932, 2938208, 3164224, 3489122, 3757516, 3987568, 4294304, 5141864, 5876416, 6978244, 7515032, 7975136, 8588608, 10283728, 12211927, 13956488, 15030064, 15950272, 20567456, 24423854, 27912976, 30060128, 41134912, 48847708, 55825952, 60120256, 97695416, 111651904, 195390832, 390781664, 781563328]

約数ペア:

[(1, 781563328), (2, 390781664), (4, 195390832), (7, 111651904), (8, 97695416), (13, 60120256), (14, 55825952), (16, 48847708), (19, 41134912), (26, 30060128), (28, 27912976), (32, 24423854), (38, 20567456), (49, 15950272), (52, 15030064), (56, 13956488), (64, 12211927), (76, 10283728), (91, 8588608), (98, 7975136), (104, 7515032), (112, 6978244), (133, 5876416), (152, 5141864), (182, 4294304), (196, 3987568), (208, 3757516), (224, 3489122), (247, 3164224), (266, 2938208), (304, 2570932), (364, 2147152), (392, 1993784), (416, 1878758), (448, 1744561), (494, 1582112), (532, 1469104), (608, 1285466), (637, 1226944), (728, 1073576), (784, 996892), (832, 939379), (931, 839488), (988, 791056), (1009, 774592), (1064, 734552), (1216, 642733), (1274, 613472), (1456, 536788), (1568, 498446), (1729, 452032), (1862, 419744), (1976, 395528), (2018, 387296), (2128, 367276), (2548, 306736), (2912, 268394), (3136, 249223), (3458, 226016), (3724, 209872), (3952, 197764), (4036, 193648), (4256, 183638), (5096, 153368), (5824, 134197), (6916, 113008), (7063, 110656), (7448, 104936), (7904, 98882), (8072, 96824), (8512, 91819), (10192, 76684), (12103, 64576), (13117, 59584), (13832, 56504), (14126, 55328), (14896, 52468), (15808, 49441), (16144, 48412), (19171, 40768), (20384, 38342), (24206, 32288), (26234, 29792), (27664, 28252)]