213791536

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{3343}}^1$

素因数の和:3929

約数の個数: 40

約数和(自身を含む): 474366464

約数和(自身を除く): 260574928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 2284, 3343, 3997, 4568, 6686, 7994, 9136, 13372, 15988, 23401, 26744, 31976, 46802, 53488, 63952, 93604, 187208, 374416, 1908853, 3817706, 7635412, 13361971, 15270824, 26723942, 30541648, 53447884, 106895768, 213791536]

約数ペア:

[(1, 213791536), (2, 106895768), (4, 53447884), (7, 30541648), (8, 26723942), (14, 15270824), (16, 13361971), (28, 7635412), (56, 3817706), (112, 1908853), (571, 374416), (1142, 187208), (2284, 93604), (3343, 63952), (3997, 53488), (4568, 46802), (6686, 31976), (7994, 26744), (9136, 23401), (13372, 15988)]