66750208

素因数分解:

$2^8\times 7^1\times {\mathrm{193}}^2$

素因数の和:409

約数の個数: 54

約数和(自身を含む): 153066984

約数和(自身を除く): 86316776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 193, 224, 256, 386, 448, 772, 896, 1351, 1544, 1792, 2702, 3088, 5404, 6176, 10808, 12352, 21616, 24704, 37249, 43232, 49408, 74498, 86464, 148996, 172928, 260743, 297992, 345856, 521486, 595984, 1042972, 1191968, 2085944, 2383936, 4171888, 4767872, 8343776, 9535744, 16687552, 33375104, 66750208]

約数ペア:

[(1, 66750208), (2, 33375104), (4, 16687552), (7, 9535744), (8, 8343776), (14, 4767872), (16, 4171888), (28, 2383936), (32, 2085944), (56, 1191968), (64, 1042972), (112, 595984), (128, 521486), (193, 345856), (224, 297992), (256, 260743), (386, 172928), (448, 148996), (772, 86464), (896, 74498), (1351, 49408), (1544, 43232), (1792, 37249), (2702, 24704), (3088, 21616), (5404, 12352), (6176, 10808)]