81372272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164057}}^1$

素因数の和:164096

約数の個数: 20

約数和(自身を含む): 162745536

約数和(自身を除く): 81373264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164057, 328114, 656228, 1312456, 2624912, 5085767, 10171534, 20343068, 40686136, 81372272]

約数ペア:

[(1, 81372272), (2, 40686136), (4, 20343068), (8, 10171534), (16, 5085767), (31, 2624912), (62, 1312456), (124, 656228), (248, 328114), (496, 164057)]