12813556

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 25711616

約数和(自身を除く): 12898060

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1087, 1684, 2174, 2947, 4348, 5894, 7609, 11788, 15218, 30436, 457627, 915254, 1830508, 3203389, 6406778, 12813556]

約数ペア:

[(1, 12813556), (2, 6406778), (4, 3203389), (7, 1830508), (14, 915254), (28, 457627), (421, 30436), (842, 15218), (1087, 11788), (1684, 7609), (2174, 5894), (2947, 4348)]