257953256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{23081}}^1$

素因数の和:23225

約数の個数: 32

約数和(自身を含む): 531809280

約数和(自身を除く): 273856024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 2794, 5588, 11176, 23081, 46162, 92324, 184648, 253891, 507782, 1015564, 2031128, 2931287, 5862574, 11725148, 23450296, 32244157, 64488314, 128976628, 257953256]

約数ペア:

[(1, 257953256), (2, 128976628), (4, 64488314), (8, 32244157), (11, 23450296), (22, 11725148), (44, 5862574), (88, 2931287), (127, 2031128), (254, 1015564), (508, 507782), (1016, 253891), (1397, 184648), (2794, 92324), (5588, 46162), (11176, 23081)]