12691534

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 19474560

約数和(自身を除く): 6783026

約数列:

[1, 2, 71, 139, 142, 278, 643, 1286, 9869, 19738, 45653, 89377, 91306, 178754, 6345767, 12691534]

約数ペア:

[(1, 12691534), (2, 6345767), (71, 178754), (139, 91306), (142, 89377), (278, 45653), (643, 19738), (1286, 9869)]