28406288

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{77191}}^1$

素因数の和:77222

約数の個数: 20

約数和(自身を含む): 57430848

約数和(自身を除く): 29024560

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 77191, 154382, 308764, 617528, 1235056, 1775393, 3550786, 7101572, 14203144, 28406288]

約数ペア:

[(1, 28406288), (2, 14203144), (4, 7101572), (8, 3550786), (16, 1775393), (23, 1235056), (46, 617528), (92, 308764), (184, 154382), (368, 77191)]