28410590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16811}}^1$

素因数の和:16844

約数の個数: 24

約数和(自身を含む): 55378728

約数和(自身を除く): 26968138

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16811, 33622, 84055, 168110, 218543, 437086, 1092715, 2185430, 2841059, 5682118, 14205295, 28410590]

約数ペア:

[(1, 28410590), (2, 14205295), (5, 5682118), (10, 2841059), (13, 2185430), (26, 1092715), (65, 437086), (130, 218543), (169, 168110), (338, 84055), (845, 33622), (1690, 16811)]