518948024

素因数分解:

$2^3\times 7^3\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 1140000000

約数和(自身を除く): 621051976

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 379, 392, 499, 686, 758, 998, 1372, 1516, 1996, 2653, 2744, 3032, 3493, 3992, 5306, 6986, 10612, 13972, 18571, 21224, 24451, 27944, 37142, 48902, 74284, 97804, 129997, 148568, 171157, 189121, 195608, 259994, 342314, 378242, 519988, 684628, 756484, 1039976, 1323847, 1369256, 1512968, 2647694, 5295388, 9266929, 10590776, 18533858, 37067716, 64868503, 74135432, 129737006, 259474012, 518948024]

約数ペア:

[(1, 518948024), (2, 259474012), (4, 129737006), (7, 74135432), (8, 64868503), (14, 37067716), (28, 18533858), (49, 10590776), (56, 9266929), (98, 5295388), (196, 2647694), (343, 1512968), (379, 1369256), (392, 1323847), (499, 1039976), (686, 756484), (758, 684628), (998, 519988), (1372, 378242), (1516, 342314), (1996, 259994), (2653, 195608), (2744, 189121), (3032, 171157), (3493, 148568), (3992, 129997), (5306, 97804), (6986, 74284), (10612, 48902), (13972, 37142), (18571, 27944), (21224, 24451)]