161784208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{439631}}^1$

素因数の和:439662

約数の個数: 20

約数和(自身を含む): 327086208

約数和(自身を除く): 165302000

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 439631, 879262, 1758524, 3517048, 7034096, 10111513, 20223026, 40446052, 80892104, 161784208]

約数ペア:

[(1, 161784208), (2, 80892104), (4, 40446052), (8, 20223026), (16, 10111513), (23, 7034096), (46, 3517048), (92, 1758524), (184, 879262), (368, 439631)]