1285222456

素因数分解:

$2^3\times 7^1\times {\mathrm{22950401}}^1$

素因数の和:22950414

約数の個数: 16

約数和(自身を含む): 2754048240

約数和(自身を除く): 1468825784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 22950401, 45900802, 91801604, 160652807, 183603208, 321305614, 642611228, 1285222456]

約数ペア:

[(1, 1285222456), (2, 642611228), (4, 321305614), (7, 183603208), (8, 160652807), (14, 91801604), (28, 45900802), (56, 22950401)]