172591972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{739}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 364672000

約数和(自身を除く): 192080028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 439, 532, 739, 878, 1478, 1756, 2956, 3073, 5173, 6146, 8341, 10346, 12292, 14041, 16682, 20692, 28082, 33364, 56164, 58387, 98287, 116774, 196574, 233548, 324421, 393148, 648842, 1297684, 2270947, 4541894, 6163999, 9083788, 12327998, 24655996, 43147993, 86295986, 172591972]

約数ペア:

[(1, 172591972), (2, 86295986), (4, 43147993), (7, 24655996), (14, 12327998), (19, 9083788), (28, 6163999), (38, 4541894), (76, 2270947), (133, 1297684), (266, 648842), (439, 393148), (532, 324421), (739, 233548), (878, 196574), (1478, 116774), (1756, 98287), (2956, 58387), (3073, 56164), (5173, 33364), (6146, 28082), (8341, 20692), (10346, 16682), (12292, 14041)]