81704628

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{3739}}^1$

素因数の和:4356

約数の個数: 36

約数和(自身を含む): 206926720

約数和(自身を除く): 125222092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 1214, 1821, 2428, 3642, 3739, 5463, 7284, 7478, 10926, 11217, 14956, 21852, 22434, 33651, 44868, 67302, 134604, 2269573, 4539146, 6808719, 9078292, 13617438, 20426157, 27234876, 40852314, 81704628]

約数ペア:

[(1, 81704628), (2, 40852314), (3, 27234876), (4, 20426157), (6, 13617438), (9, 9078292), (12, 6808719), (18, 4539146), (36, 2269573), (607, 134604), (1214, 67302), (1821, 44868), (2428, 33651), (3642, 22434), (3739, 21852), (5463, 14956), (7284, 11217), (7478, 10926)]