161717072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1429}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 342582240

約数和(自身を除く): 180865168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 643, 1286, 1429, 2572, 2858, 5144, 5716, 7073, 10288, 11432, 14146, 15719, 22864, 28292, 31438, 56584, 62876, 113168, 125752, 251504, 918847, 1837694, 3675388, 7350776, 10107317, 14701552, 20214634, 40429268, 80858536, 161717072]

約数ペア:

[(1, 161717072), (2, 80858536), (4, 40429268), (8, 20214634), (11, 14701552), (16, 10107317), (22, 7350776), (44, 3675388), (88, 1837694), (176, 918847), (643, 251504), (1286, 125752), (1429, 113168), (2572, 62876), (2858, 56584), (5144, 31438), (5716, 28292), (7073, 22864), (10288, 15719), (11432, 14146)]