280238456

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{252013}}^1$

素因数の和:252158

約数の個数: 16

約数和(自身を含む): 529229400

約数和(自身を除く): 248990944

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 252013, 504026, 1008052, 2016104, 35029807, 70059614, 140119228, 280238456]

約数ペア:

[(1, 280238456), (2, 140119228), (4, 70059614), (8, 35029807), (139, 2016104), (278, 1008052), (556, 504026), (1112, 252013)]