68940208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{226777}}^1$

素因数の和:226804

約数の個数: 20

約数和(自身を含む): 140602360

約数和(自身を除く): 71662152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 226777, 453554, 907108, 1814216, 3628432, 4308763, 8617526, 17235052, 34470104, 68940208]

約数ペア:

[(1, 68940208), (2, 34470104), (4, 17235052), (8, 8617526), (16, 4308763), (19, 3628432), (38, 1814216), (76, 907108), (152, 453554), (304, 226777)]