128976628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{23081}}^1$

素因数の和:23223

約数の個数: 24

約数和(自身を含む): 248177664

約数和(自身を除く): 119201036

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 23081, 46162, 92324, 253891, 507782, 1015564, 2931287, 5862574, 11725148, 32244157, 64488314, 128976628]

約数ペア:

[(1, 128976628), (2, 64488314), (4, 32244157), (11, 11725148), (22, 5862574), (44, 2931287), (127, 1015564), (254, 507782), (508, 253891), (1397, 92324), (2794, 46162), (5588, 23081)]