64778266

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{21929}}^1$

素因数の和:22149

約数の個数: 16

約数和(自身を含む): 111579840

約数和(自身を除く): 46801574

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 21929, 43858, 153503, 307006, 4627019, 9254038, 32389133, 64778266]

約数ペア:

[(1, 64778266), (2, 32389133), (7, 9254038), (14, 4627019), (211, 307006), (422, 153503), (1477, 43858), (2954, 21929)]