203438128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{552821}}^1$

素因数の和:552852

約数の個数: 20

約数和(自身を含む): 411299568

約数和(自身を除く): 207861440

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 552821, 1105642, 2211284, 4422568, 8845136, 12714883, 25429766, 50859532, 101719064, 203438128]

約数ペア:

[(1, 203438128), (2, 101719064), (4, 50859532), (8, 25429766), (16, 12714883), (23, 8845136), (46, 4422568), (92, 2211284), (184, 1105642), (368, 552821)]