40978366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{143281}}^1$

素因数の和:143307

約数の個数: 16

約数和(自身を含む): 72214128

約数和(自身を除く): 31235762

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 143281, 286562, 1576091, 1862653, 3152182, 3725306, 20489183, 40978366]

約数ペア:

[(1, 40978366), (2, 20489183), (11, 3725306), (13, 3152182), (22, 1862653), (26, 1576091), (143, 286562), (286, 143281)]