71420228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{12781}}^1$

素因数の和:12923

約数の個数: 24

約数和(自身を含む): 137432064

約数和(自身を除く): 66011836

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 12781, 25562, 51124, 140591, 281182, 562364, 1623187, 3246374, 6492748, 17855057, 35710114, 71420228]

約数ペア:

[(1, 71420228), (2, 35710114), (4, 17855057), (11, 6492748), (22, 3246374), (44, 1623187), (127, 562364), (254, 281182), (508, 140591), (1397, 51124), (2794, 25562), (5588, 12781)]