667942912

素因数分解:

$2^{20}\times 7^2\times {\mathrm{13}}^1$

素因数の和:67

約数の個数: 126

約数和(自身を含む): 1673526498

約数和(自身を除く): 1005583586

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 512, 637, 728, 784, 832, 896, 1024, 1274, 1456, 1568, 1664, 1792, 2048, 2548, 2912, 3136, 3328, 3584, 4096, 5096, 5824, 6272, 6656, 7168, 8192, 10192, 11648, 12544, 13312, 14336, 16384, 20384, 23296, 25088, 26624, 28672, 32768, 40768, 46592, 50176, 53248, 57344, 65536, 81536, 93184, 100352, 106496, 114688, 131072, 163072, 186368, 200704, 212992, 229376, 262144, 326144, 372736, 401408, 425984, 458752, 524288, 652288, 745472, 802816, 851968, 917504, 1048576, 1304576, 1490944, 1605632, 1703936, 1835008, 2609152, 2981888, 3211264, 3407872, 3670016, 5218304, 5963776, 6422528, 6815744, 7340032, 10436608, 11927552, 12845056, 13631488, 20873216, 23855104, 25690112, 41746432, 47710208, 51380224, 83492864, 95420416, 166985728, 333971456, 667942912]

約数ペア:

[(1, 667942912), (2, 333971456), (4, 166985728), (7, 95420416), (8, 83492864), (13, 51380224), (14, 47710208), (16, 41746432), (26, 25690112), (28, 23855104), (32, 20873216), (49, 13631488), (52, 12845056), (56, 11927552), (64, 10436608), (91, 7340032), (98, 6815744), (104, 6422528), (112, 5963776), (128, 5218304), (182, 3670016), (196, 3407872), (208, 3211264), (224, 2981888), (256, 2609152), (364, 1835008), (392, 1703936), (416, 1605632), (448, 1490944), (512, 1304576), (637, 1048576), (728, 917504), (784, 851968), (832, 802816), (896, 745472), (1024, 652288), (1274, 524288), (1456, 458752), (1568, 425984), (1664, 401408), (1792, 372736), (2048, 326144), (2548, 262144), (2912, 229376), (3136, 212992), (3328, 200704), (3584, 186368), (4096, 163072), (5096, 131072), (5824, 114688), (6272, 106496), (6656, 100352), (7168, 93184), (8192, 81536), (10192, 65536), (11648, 57344), (12544, 53248), (13312, 50176), (14336, 46592), (16384, 40768), (20384, 32768), (23296, 28672), (25088, 26624)]