217071956

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{427307}}^1$

素因数の和:427438

約数の個数: 12

約数和(自身を含む): 382867968

約数和(自身を除く): 165796012

約数列:

[1, 2, 4, 127, 254, 508, 427307, 854614, 1709228, 54267989, 108535978, 217071956]

約数ペア:

[(1, 217071956), (2, 108535978), (4, 54267989), (127, 1709228), (254, 854614), (508, 427307)]