81894918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{10103}}^1$

素因数の和:10308

約数の個数: 32

約数和(自身を含む): 188176896

約数和(自身を除く): 106281978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 193, 386, 579, 1158, 1351, 2702, 4053, 8106, 10103, 20206, 30309, 60618, 70721, 141442, 212163, 424326, 1949879, 3899758, 5849637, 11699274, 13649153, 27298306, 40947459, 81894918]

約数ペア:

[(1, 81894918), (2, 40947459), (3, 27298306), (6, 13649153), (7, 11699274), (14, 5849637), (21, 3899758), (42, 1949879), (193, 424326), (386, 212163), (579, 141442), (1158, 70721), (1351, 60618), (2702, 30309), (4053, 20206), (8106, 10103)]