166985728

素因数分解:

$2^{18}\times 7^2\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 114

約数和(自身を含む): 418381026

約数和(自身を除く): 251395298

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, 652288, 745472, 802816, 851968, 917504, 1304576, 1490944, 1605632, 1703936, 1835008, 2609152, 2981888, 3211264, 3407872, 5218304, 5963776, 6422528, 10436608, 11927552, 12845056, 20873216, 23855104, 41746432, 83492864, 166985728]

約数ペア:

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