81405994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{57899}}^1$

素因数の和:57957

約数の個数: 16

約数和(自身を含む): 132012000

約数和(自身を除く): 50606006

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 57899, 115798, 1100081, 2142263, 2200162, 4284526, 40702997, 81405994]

約数ペア:

[(1, 81405994), (2, 40702997), (19, 4284526), (37, 2200162), (38, 2142263), (74, 1100081), (703, 115798), (1406, 57899)]