388992244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{72089}}^1$

素因数の和:72183

約数の個数: 24

約数和(自身を含む): 726667200

約数和(自身を除く): 337674956

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 72089, 144178, 288356, 1369691, 2739382, 5118319, 5478764, 10236638, 20473276, 97248061, 194496122, 388992244]

約数ペア:

[(1, 388992244), (2, 194496122), (4, 97248061), (19, 20473276), (38, 10236638), (71, 5478764), (76, 5118319), (142, 2739382), (284, 1369691), (1349, 288356), (2698, 144178), (5396, 72089)]