28991666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{9619}}^1$

素因数の和:9769

約数の個数: 16

約数和(自身を含む): 47792160

約数和(自身を除く): 18800494

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 9619, 19238, 105809, 211618, 1317803, 2635606, 14495833, 28991666]

約数ペア:

[(1, 28991666), (2, 14495833), (11, 2635606), (22, 1317803), (137, 211618), (274, 105809), (1507, 19238), (3014, 9619)]