28421905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2447}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 7534319

約数列:

[1, 5, 23, 101, 115, 505, 2323, 2447, 11615, 12235, 56281, 247147, 281405, 1235735, 5684381, 28421905]

約数ペア:

[(1, 28421905), (5, 5684381), (23, 1235735), (101, 281405), (115, 247147), (505, 56281), (2323, 12235), (2447, 11615)]