128420312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{8663}}^1$

素因数の和:8795

約数の個数: 32

約数和(自身を含む): 257320800

約数和(自身を除く): 128900488

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1853, 3706, 7412, 8663, 14824, 17326, 34652, 69304, 147271, 294542, 589084, 944267, 1178168, 1888534, 3777068, 7554136, 16052539, 32105078, 64210156, 128420312]

約数ペア:

[(1, 128420312), (2, 64210156), (4, 32105078), (8, 16052539), (17, 7554136), (34, 3777068), (68, 1888534), (109, 1178168), (136, 944267), (218, 589084), (436, 294542), (872, 147271), (1853, 69304), (3706, 34652), (7412, 17326), (8663, 14824)]