28283864

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3217}}^1$

素因数の和:3387

約数の個数: 32

約数和(自身を含む): 61013280

約数和(自身を除く): 32729416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 3217, 4396, 6434, 8792, 12868, 22519, 25736, 45038, 90076, 180152, 505069, 1010138, 2020276, 3535483, 4040552, 7070966, 14141932, 28283864]

約数ペア:

[(1, 28283864), (2, 14141932), (4, 7070966), (7, 4040552), (8, 3535483), (14, 2020276), (28, 1010138), (56, 505069), (157, 180152), (314, 90076), (628, 45038), (1099, 25736), (1256, 22519), (2198, 12868), (3217, 8792), (4396, 6434)]