138880154

素因数分解:

$2^1\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{6173}}^1$

素因数の和:7789

約数の個数: 16

約数和(自身を含む): 238267008

約数和(自身を除く): 99386854

約数列:

[1, 2, 7, 14, 1607, 3214, 6173, 11249, 12346, 22498, 43211, 86422, 9920011, 19840022, 69440077, 138880154]

約数ペア:

[(1, 138880154), (2, 69440077), (7, 19840022), (14, 9920011), (1607, 86422), (3214, 43211), (6173, 22498), (11249, 12346)]