78893008

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80833}}^1$

素因数の和:80902

約数の個数: 20

約数和(自身を含む): 155362948

約数和(自身を除く): 76469940

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80833, 161666, 323332, 646664, 1293328, 4930813, 9861626, 19723252, 39446504, 78893008]

約数ペア:

[(1, 78893008), (2, 39446504), (4, 19723252), (8, 9861626), (16, 4930813), (61, 1293328), (122, 646664), (244, 323332), (488, 161666), (976, 80833)]