66931984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 158561280

約数和(自身を除く): 91629296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 266, 284, 304, 443, 497, 532, 568, 886, 994, 1064, 1136, 1349, 1772, 1988, 2128, 2698, 3101, 3544, 3976, 5396, 6202, 7088, 7952, 8417, 9443, 10792, 12404, 16834, 18886, 21584, 24808, 31453, 33668, 37772, 49616, 58919, 62906, 67336, 75544, 117838, 125812, 134672, 151088, 220171, 235676, 251624, 440342, 471352, 503248, 597607, 880684, 942704, 1195214, 1761368, 2390428, 3522736, 4183249, 4780856, 8366498, 9561712, 16732996, 33465992, 66931984]

約数ペア:

[(1, 66931984), (2, 33465992), (4, 16732996), (7, 9561712), (8, 8366498), (14, 4780856), (16, 4183249), (19, 3522736), (28, 2390428), (38, 1761368), (56, 1195214), (71, 942704), (76, 880684), (112, 597607), (133, 503248), (142, 471352), (152, 440342), (266, 251624), (284, 235676), (304, 220171), (443, 151088), (497, 134672), (532, 125812), (568, 117838), (886, 75544), (994, 67336), (1064, 62906), (1136, 58919), (1349, 49616), (1772, 37772), (1988, 33668), (2128, 31453), (2698, 24808), (3101, 21584), (3544, 18886), (3976, 16834), (5396, 12404), (6202, 10792), (7088, 9443), (7952, 8417)]