86974312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{639517}}^1$

素因数の和:639540

約数の個数: 16

約数和(自身を含む): 172669860

約数和(自身を除く): 85695548

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 639517, 1279034, 2558068, 5116136, 10871789, 21743578, 43487156, 86974312]

約数ペア:

[(1, 86974312), (2, 43487156), (4, 21743578), (8, 10871789), (17, 5116136), (34, 2558068), (68, 1279034), (136, 639517)]