245177768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{39241}}^1$

素因数の和:39329

約数の個数: 32

約数和(自身を含む): 508576320

約数和(自身を除く): 263398552

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 39241, 78482, 156964, 313928, 431651, 863302, 1726604, 2786111, 3453208, 5572222, 11144444, 22288888, 30647221, 61294442, 122588884, 245177768]

約数ペア:

[(1, 245177768), (2, 122588884), (4, 61294442), (8, 30647221), (11, 22288888), (22, 11144444), (44, 5572222), (71, 3453208), (88, 2786111), (142, 1726604), (284, 863302), (568, 431651), (781, 313928), (1562, 156964), (3124, 78482), (6248, 39241)]