639318

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 1290240

約数和(自身を除く): 650922

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 839, 1678, 2517, 5034, 106553, 213106, 319659, 639318]

約数ペア:

[(1, 639318), (2, 319659), (3, 213106), (6, 106553), (127, 5034), (254, 2517), (381, 1678), (762, 839)]