86939768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{639263}}^1$

素因数の和:639286

約数の個数: 16

約数和(自身を含む): 172601280

約数和(自身を除く): 85661512

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 639263, 1278526, 2557052, 5114104, 10867471, 21734942, 43469884, 86939768]

約数ペア:

[(1, 86939768), (2, 43469884), (4, 21734942), (8, 10867471), (17, 5114104), (34, 2557052), (68, 1278526), (136, 639263)]