28678745074

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{9186017}}^1$

素因数の和:9186249

約数の個数: 16

約数和(自身を含む): 49384032768

約数和(自身を除く): 20705287694

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 9186017, 18372034, 64302119, 128604238, 2048481791, 4096963582, 14339372537, 28678745074]

約数ペア:

[(1, 28678745074), (2, 14339372537), (7, 4096963582), (14, 2048481791), (223, 128604238), (446, 64302119), (1561, 18372034), (3122, 9186017)]