256715347

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1\times {\mathrm{601}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 296665600

約数和(自身を除く): 39950253

約数列:

[1, 7, 139, 439, 601, 973, 3073, 4207, 61021, 83539, 263839, 427147, 584773, 1846873, 36673621, 256715347]

約数ペア:

[(1, 256715347), (7, 36673621), (139, 1846873), (439, 584773), (601, 427147), (973, 263839), (3073, 83539), (4207, 61021)]