278719952

素因数分解:

$2^4\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{2281}}^1$

素因数の和:3387

約数の個数: 40

約数和(自身を含む): 618002112

約数和(自身を除く): 339282160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1091, 2182, 2281, 4364, 4562, 7637, 8728, 9124, 15274, 15967, 17456, 18248, 30548, 31934, 36496, 61096, 63868, 122192, 127736, 255472, 2488571, 4977142, 9954284, 17419997, 19908568, 34839994, 39817136, 69679988, 139359976, 278719952]

約数ペア:

[(1, 278719952), (2, 139359976), (4, 69679988), (7, 39817136), (8, 34839994), (14, 19908568), (16, 17419997), (28, 9954284), (56, 4977142), (112, 2488571), (1091, 255472), (2182, 127736), (2281, 122192), (4364, 63868), (4562, 61096), (7637, 36496), (8728, 31934), (9124, 30548), (15274, 18248), (15967, 17456)]