28509328

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{77471}}^1$

素因数の和:77502

約数の個数: 20

約数和(自身を含む): 57639168

約数和(自身を除く): 29129840

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 77471, 154942, 309884, 619768, 1239536, 1781833, 3563666, 7127332, 14254664, 28509328]

約数ペア:

[(1, 28509328), (2, 14254664), (4, 7127332), (8, 3563666), (16, 1781833), (23, 1239536), (46, 619768), (92, 309884), (184, 154942), (368, 77471)]