28905904

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{13187}}^1$

素因数の和:13332

約数の個数: 20

約数和(自身を含む): 56418264

約数和(自身を除く): 27512360

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 13187, 26374, 52748, 105496, 210992, 1806619, 3613238, 7226476, 14452952, 28905904]

約数ペア:

[(1, 28905904), (2, 14452952), (4, 7226476), (8, 3613238), (16, 1806619), (137, 210992), (274, 105496), (548, 52748), (1096, 26374), (2192, 13187)]