388528048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{881}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 772356816

約数和(自身を除く): 383828768

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 641, 688, 881, 1282, 1762, 2564, 3524, 5128, 7048, 10256, 14096, 27563, 37883, 55126, 75766, 110252, 151532, 220504, 303064, 441008, 564721, 606128, 1129442, 2258884, 4517768, 9035536, 24283003, 48566006, 97132012, 194264024, 388528048]

約数ペア:

[(1, 388528048), (2, 194264024), (4, 97132012), (8, 48566006), (16, 24283003), (43, 9035536), (86, 4517768), (172, 2258884), (344, 1129442), (641, 606128), (688, 564721), (881, 441008), (1282, 303064), (1762, 220504), (2564, 151532), (3524, 110252), (5128, 75766), (7048, 55126), (10256, 37883), (14096, 27563)]