209550352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{27689}}^1$

素因数の和:27751

約数の個数: 40

約数和(自身を含む): 453229920

約数和(自身を除く): 243679568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 27689, 55378, 110756, 221512, 304579, 443024, 609158, 1190627, 1218316, 2381254, 2436632, 4762508, 4873264, 9525016, 13096897, 19050032, 26193794, 52387588, 104775176, 209550352]

約数ペア:

[(1, 209550352), (2, 104775176), (4, 52387588), (8, 26193794), (11, 19050032), (16, 13096897), (22, 9525016), (43, 4873264), (44, 4762508), (86, 2436632), (88, 2381254), (172, 1218316), (176, 1190627), (344, 609158), (473, 443024), (688, 304579), (946, 221512), (1892, 110756), (3784, 55378), (7568, 27689)]