16639616

素因数分解:

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

素因数の和:414

約数の個数: 64

約数和(自身を含む): 38760000

約数和(自身を除く): 22120384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 379, 392, 448, 686, 758, 784, 896, 1372, 1516, 1568, 2653, 2744, 3032, 3136, 5306, 5488, 6064, 6272, 10612, 10976, 12128, 18571, 21224, 21952, 24256, 37142, 42448, 43904, 48512, 74284, 84896, 129997, 148568, 169792, 259994, 297136, 339584, 519988, 594272, 1039976, 1188544, 2079952, 2377088, 4159904, 8319808, 16639616]

約数ペア:

[(1, 16639616), (2, 8319808), (4, 4159904), (7, 2377088), (8, 2079952), (14, 1188544), (16, 1039976), (28, 594272), (32, 519988), (49, 339584), (56, 297136), (64, 259994), (98, 169792), (112, 148568), (128, 129997), (196, 84896), (224, 74284), (343, 48512), (379, 43904), (392, 42448), (448, 37142), (686, 24256), (758, 21952), (784, 21224), (896, 18571), (1372, 12128), (1516, 10976), (1568, 10612), (2653, 6272), (2744, 6064), (3032, 5488), (3136, 5306)]