78420218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53639}}^1$

素因数の和:53701

約数の個数: 16

約数和(自身を含む): 127448640

約数和(自身を除く): 49028422

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 53639, 107278, 911863, 1823726, 2306477, 4612954, 39210109, 78420218]

約数ペア:

[(1, 78420218), (2, 39210109), (17, 4612954), (34, 2306477), (43, 1823726), (86, 911863), (731, 107278), (1462, 53639)]