28158436

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{1321}}^1$

素因数の和:1471

約数の個数: 18

約数和(自身を含む): 49999362

約数和(自身を除く): 21840926

約数列:

[1, 2, 4, 73, 146, 292, 1321, 2642, 5284, 5329, 10658, 21316, 96433, 192866, 385732, 7039609, 14079218, 28158436]

約数ペア:

[(1, 28158436), (2, 14079218), (4, 7039609), (73, 385732), (146, 192866), (292, 96433), (1321, 21316), (2642, 10658), (5284, 5329)]