28009478

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6971}}^1$

素因数の和:7028

約数の個数: 24

約数和(自身を含む): 50072904

約数和(自身を除く): 22063426

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 6971, 13942, 48797, 97594, 285811, 341579, 571622, 683158, 2000677, 4001354, 14004739, 28009478]

約数ペア:

[(1, 28009478), (2, 14004739), (7, 4001354), (14, 2000677), (41, 683158), (49, 571622), (82, 341579), (98, 285811), (287, 97594), (574, 48797), (2009, 13942), (4018, 6971)]