81386576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267719}}^1$

素因数の和:267746

約数の個数: 20

約数和(自身を含む): 165986400

約数和(自身を除く): 84599824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267719, 535438, 1070876, 2141752, 4283504, 5086661, 10173322, 20346644, 40693288, 81386576]

約数ペア:

[(1, 81386576), (2, 40693288), (4, 20346644), (8, 10173322), (16, 5086661), (19, 4283504), (38, 2141752), (76, 1070876), (152, 535438), (304, 267719)]