42438128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{115321}}^1$

素因数の和:115352

約数の個数: 20

約数和(自身を含む): 85799568

約数和(自身を除く): 43361440

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 115321, 230642, 461284, 922568, 1845136, 2652383, 5304766, 10609532, 21219064, 42438128]

約数ペア:

[(1, 42438128), (2, 21219064), (4, 10609532), (8, 5304766), (16, 2652383), (23, 1845136), (46, 922568), (92, 461284), (184, 230642), (368, 115321)]