987777295

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{23087}}^1$

素因数の和:23334

約数の個数: 16

約数和(自身を含む): 1219046400

約数和(自身を除く): 231269105

約数列:

[1, 5, 43, 199, 215, 995, 8557, 23087, 42785, 115435, 992741, 4594313, 4963705, 22971565, 197555459, 987777295]

約数ペア:

[(1, 987777295), (5, 197555459), (43, 22971565), (199, 4963705), (215, 4594313), (995, 992741), (8557, 115435), (23087, 42785)]