1992706688

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{51721}}^1$

素因数の和:51785

約数の個数: 64

約数和(自身を含む): 4642566720

約数和(自身を除く): 2649860032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 448, 602, 688, 896, 1204, 1376, 2408, 2752, 4816, 5504, 9632, 19264, 38528, 51721, 103442, 206884, 362047, 413768, 724094, 827536, 1448188, 1655072, 2224003, 2896376, 3310144, 4448006, 5792752, 6620288, 8896012, 11585504, 15568021, 17792024, 23171008, 31136042, 35584048, 46342016, 62272084, 71168096, 124544168, 142336192, 249088336, 284672384, 498176672, 996353344, 1992706688]

約数ペア:

[(1, 1992706688), (2, 996353344), (4, 498176672), (7, 284672384), (8, 249088336), (14, 142336192), (16, 124544168), (28, 71168096), (32, 62272084), (43, 46342016), (56, 35584048), (64, 31136042), (86, 23171008), (112, 17792024), (128, 15568021), (172, 11585504), (224, 8896012), (301, 6620288), (344, 5792752), (448, 4448006), (602, 3310144), (688, 2896376), (896, 2224003), (1204, 1655072), (1376, 1448188), (2408, 827536), (2752, 724094), (4816, 413768), (5504, 362047), (9632, 206884), (19264, 103442), (38528, 51721)]